PUP.SilentInstallBuilder

The detection of PUP.SilentInstallBuilder on your system indicates the presence of a potentially unwanted program (PUP) that may be causing issues with your computer's performance and security. It is essential to understand the nature of this threat and take immediate action to remove it to prevent further damage.

What Is PUP.SilentInstallBuilder?

PUP.SilentInstallBuilder is a type of potentially unwanted program that can install itself on your system without your knowledge or consent. This type of software can be bundled with other programs or downloaded from the internet, often through deceptive means. PUPs can cause a range of problems, including slowing down your computer, displaying unwanted advertisements, and potentially leading to more severe security threats.

How PUP.SilentInstallBuilder Operates

PUP.SilentInstallBuilder operates by exploiting vulnerabilities in your system's security, often through social engineering tactics or software exploits. Once installed, it can begin to modify system settings, install additional software, and collect sensitive information without your permission. This type of malware can be challenging to detect, as it may not exhibit obvious symptoms, making it crucial to use reputable security software to identify and remove it.

Symptoms of Infection

While PUP.SilentInstallBuilder may not always exhibit obvious symptoms, some common signs of infection include slow system performance, unwanted pop-ups or advertisements, and unfamiliar programs or toolbars installed on your browser. You may also notice that your system's settings have been changed, or that your browser's homepage has been altered. If you suspect that your system has been infected with PUP.SilentInstallBuilder, it is essential to take immediate action to remove it.

How to Remove PUP.SilentInstallBuilder

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for a more straightforward removal process.
  2. Use a reputable security tool, such as SpyHunter, to perform a full scan of your system and identify all instances of PUP.SilentInstallBuilder.
  3. Uninstall any suspicious programs or software that may be related to the PUP, taking care to follow the uninstallation instructions carefully.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform a follow-up scan with your security software to ensure that all instances of the PUP have been removed.

Conclusion

Removing PUP.SilentInstallBuilder from your system requires careful attention to detail and a thorough understanding of the removal process. By following the steps outlined above and using reputable security software, you can effectively remove this potentially unwanted program and restore your system to a secure state. It is essential to remain vigilant and take proactive steps to protect your system from future threats, including keeping your operating system and software up to date, using strong antivirus software, and being cautious when downloading software or clicking on links from unknown sources.

Analysis Report

General information

Family Name: PUP.SilentInstallBuilder
Signature status: No Signature

Known Samples

MD5: a32fc03a4961a6265a8580f88b030e7e
SHA1: 89d93842a0102fba860fbf9ccb6523d2bbb93ede
SHA256: F6ACC9C3B5D72E3DD9C8C3C1E2BC946F5235DD249718C3D53661517B21B03605
File Size: 1.97 MB, 1966088 bytes
MD5: fd1fbd0254ebf49926ba6e276836d89f
SHA1: 94326a55988033de6ced221bc9f3fa0f1388a103
SHA256: 4152C034517F052815CF68791785AAAF76936774C44AADCB20E5EADFBDCD6E59
File Size: 417.82 KB, 417818 bytes
MD5: 53e234e810a6ff3c3f30454a59cfc9ed
SHA1: 82f2c47c001d66e98f7d9ed65964a1827899efc8
SHA256: 388FF97DB8C8FF40915FE069FB83746DF7EF03871117F0088BFEBD3DA045C128
File Size: 816.07 KB, 816071 bytes
MD5: c021c05985c2085a64d0a21b3707382e
SHA1: d7f20ebed9f2d7cc66bb5c9f5d0e798e9b0ce24e
SHA256: 21ABB55BEE181A2775BA20F21DED526BE47FFD871FDC124D1E273833ED08E0F2
File Size: 3.86 MB, 3856384 bytes
MD5: 33db850591c72328cf7806f6e0492e00
SHA1: 8d9287c1550f81707e0e357d6ea757ac4ee8860a
SHA256: 439647625B3A4946F018755524A14A441F90F1947340EA9004836A27B35C4544
File Size: 940.66 KB, 940657 bytes
Show More
MD5: a49b9592c3c23c9c026238ad4991028c
SHA1: 350f7247f99c67fc701cc22ff1cc46e734a19f77
SHA256: F8736C5AE62E36DC555B7AA8096413B54851076D26D2CC0C88E169B8D8D92F43
File Size: 271.04 KB, 271040 bytes
MD5: 327c1b6e03a3e82f9634ff951a9eab57
SHA1: 7b4a545e924772c35dfefc35ac4c61608108a1f3
SHA256: 3D62B36C7C7011D1A84E08007A2D7FAF53297AB8782354919EE9C0214050FA06
File Size: 4.91 MB, 4913152 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File has TLS information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
Show More
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Company Name
  • AprelTech, llc
  • Synaptics
  • TODO: <Company name>
File Description
  • Sibl
  • Synaptics Pointing Device Driver
  • TODO: <File description>
File Version
  • 6.4.0.0
  • 1.0.0.4
  • 1.0.0.1
  • 1.0.0
  • 0.0.0.0
Internal Name
  • Sibl.exe
  • stub.exe
Legal Copyright
  • Copyright (C) 2018
  • Copyright © 2025 AprelTech, llc
Original Filename
  • Sibl.exe
  • stub.exe
Product Name
  • Silent Install Builder
  • Synaptics Pointing Device Driver
  • TODO: <Product name>
  • xfpsp2023
Product Version
  • 6.4.0.0
  • 1.0.0.1
  • 1.0.0.0
  • 1.0.0
  • 0.0.0.0

Digital Signatures

Signer Root Status
APREL Tehnologija d.o.o. Sectigo Public Code Signing Root R46 Hash Mismatch

File Traits

  • Installer Version
  • WriteProcessMemory
  • x86

Files Modified

File Attributes
\device\namedpipe\dav rpc service Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
\device\namedpipe\pshost.134169797421801444.208.defaultappdomain.powershell Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288
\device\namedpipe\wkssvc Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\programdata\synaptics Synchronize,Write Attributes
c:\programdata\synaptics\rcxfbda.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\programdata\synaptics\synaptics.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\programdata\synaptics\synaptics.exe Synchronize,Write Attributes
c:\programdata\synaptics\synaptics.exe Synchronize,Write Data
c:\users\user\appdata\local\sibl\sib.dat Generic Read,Write Data,Write Attributes,Write extended,Append data
Show More
c:\users\user\appdata\local\temp\__psscriptpolicytest_4q44xbke.1jc.ps1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_ljgr2oxe.5ud.psm1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\hvju4xi.ini Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\nsabc70.tmp\sibuia.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nshaf65.tmp\sibuia.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsqbdb8.tmp\sibuia.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nszb8c7.tmp\modern-wizard.bmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nszb8c7.tmp\nsdialogs.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nszb8c7.tmp\system.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\psa862.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\psa862.tmp.ps1 Synchronize,Write Data
c:\users\user\appdata\local\temp\rgic2bc.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\rgic2bc.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\rgic33a.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\rgic33a.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\rgic389.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\rgic389.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\rgic3f7.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\rgic3f7.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\rgic475.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\rgic475.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibafc3.tmp\0\c204.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibafc3.tmp\0\c204.exe Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibafc3.tmp\sibca.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibafc3.tmp\sibca.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibafc3.tmp\sibclr.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibafc3.tmp\sibclr.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\0\sorv7.cmd Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\0\sorv7.cmd Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\0\xfpsp2023.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\0\xfpsp2023.exe Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\2\ccleaner.exe Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\sibbccf.tmp\ionic.zip.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\ionic.zip.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\sibca.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\sibca.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\sibclr.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\sibclr.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\zip.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbccf.tmp\zip.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbe17.tmp\0\patch.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbe17.tmp\0\patch.exe Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbe17.tmp\sibca.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbe17.tmp\sibca.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\sibbe17.tmp\sibclr.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\sibbe17.tmp\sibclr.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\tmp4352$.tmp Generic Write,Read Attributes,Delete
c:\users\user\appdata\roaming\winsl Synchronize,Write Attributes
c:\users\user\appdata\roaming\winsl\l5\8\2026 Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\downloads\._cache_7b4a545e924772c35dfefc35ac4c61608108a1f3_0004913152 Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\downloads\._cache_7b4a545e924772c35dfefc35ac4c61608108a1f3_0004913152 Synchronize,Write Attributes
c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071 Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071 Generic Write,Read Attributes
c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071 Synchronize,Write Attributes
c:\users\user\downloads\plagins.dat Generic Write,Read Attributes
c:\windows\appcompat\programs\amcache.hve Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve Write Attributes
c:\windows\svchost.exe Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\software\wow6432node\microsoft\schedulingagent::taskkey 譙┝ RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\schedulingagent::checsib 2025-11-19 RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe ᒠﯢꙺǜ RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\advanced inf setup\ie complist::ie.hkcuzoneinfo RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe ル䫷ꪸǜ RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FXD�':D��exA-��LG=�A��J� �C� RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FXD�':D��exA-�]T�� �B�����wȻ RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FX���n����<���]T�� �B�����wȻ RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 Ul( �v �Z������Bx(�1`1�1HO@V�A��H[uN$_�zk`k�qw�n{b��P���!���� ���3�������������m�Ù��V����$�8წ���V�l��&M�~�=�S/�B1_T�Vw�`�V�R���%���������AE�Q]��D��&�� RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\windows\currentversion\run::synaptics pointing device driver C:\ProgramData\Synaptics\Synaptics.exe RegNtPreCreateKey
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HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 陌ȁ獖} RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 Vl. �v �Z��������Bx(�1`1�1HO@V�A��H[uN$_�zk`k�qw�n{b��P���!�����7� ���3�M�������������m�Ù��IV�V����$�8წ���V�l��&M�(!��j�~��=�S/�B1_T�Vw�`�V�R���%�� RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 Wl/ �v �Z��������Bx(�1`1�1HO@V�A��H[uN$_�zk`k�qr�7w�n{b��P���!�����7� ���3�M�������������m�Ù��IV�V����$�8წ���V�l��&M�(!��j�~��=�S/�B1_T�Vw�`�V�R��� RegNtPreCreateKey

Windows API Usage

Category API
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserNameEx
  • GetUserObjectInformation
Other Suspicious
  • AdjustTokenPrivileges
  • SetWindowsHookEx
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext
Keyboard Access
  • GetKeyState
Network Winhttp
  • WinHttpConnect
  • WinHttpOpen
  • WinHttpOpenRequest
  • WinHttpQueryHeaders
  • WinHttpReadData
  • WinHttpReceiveResponse
  • WinHttpSendRequest
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
  • ZwMapViewOfSection
Process Shell Execute
  • CreateProcess
  • ShellExecuteEx
Process Terminate
  • TerminateProcess
Service Control
  • OpenSCManager
  • StartServiceCtrlDispatcher
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
Show More
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenMutant
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Network Winsock2
  • WSAStartup
  • WSAttemptAutodialName
Network Wininet
  • InternetOpen
  • InternetOpenUrl
  • InternetReadFile
Network Winsock
  • bind
  • closesocket
  • gethostbyname
  • getsockname
  • socket

Shell Command Execution

C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 1300
C:\Users\Cibosnjx\AppData\Local\Temp\sibAFC3.tmp\0\C204.exe
"C:\WINDOWS\svchost.exe" "c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071"
"c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071"
C:\Users\Esmnxvrb\AppData\Local\Temp\sibBE17.tmp\0\Patch.exe
Show More
"sorv7.cmd" /s
C:\Users\Ssdxcbia\AppData\Local\Temp\sibBCCF.tmp\0\xfpsp2023.exe xfpsp2023.exe
"C:\Users\Ssdxcbia\AppData\Local\Temp\sibBCCF.tmp\2\ccleaner.exe" /s
C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -file "C:\Users\Hnvwintr\AppData\Local\Temp\psA862.tmp.ps1"
runas c:\users\user\downloads\._cache_7b4a545e924772c35dfefc35ac4c61608108a1f3_0004913152
runas C:\ProgramData\Synaptics\Synaptics.exe InjUpdate

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