Threat Database Trojans Trojan.Pramro.B

Trojan.Pramro.B

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 18,268
Threat Level: 80 % (High)
Infected Computers: 287
First Seen: May 5, 2021
Last Seen: June 8, 2026
OS(es) Affected: Windows

The detection of Trojan.Pramro.B on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise your system's integrity and put your personal data at risk. It is essential to understand the nature of this threat and take prompt action to remove it.

What Is Trojan.Pramro.B?

Trojan.Pramro.B is a type of malware that can infiltrate your system without your knowledge or consent. Trojans are known for their ability to disguise themselves as legitimate programs, making them difficult to detect. The name Trojan.Pramro.B suggests that it is a variant of a Trojan horse malware, but the specifics of its origin and behavior are not immediately clear. What is certain, however, is that it poses a significant risk to your system's security and your personal data.

How Trojan.Pramro.B Operates

Once installed, Trojan.Pramro.B can operate in various ways, depending on its design and purpose. It may attempt to connect to a command and control server to receive instructions from its creators, or it may start executing its payload immediately. Trojans can be used for a wide range of malicious activities, including data theft, keystroke logging, and the distribution of additional malware. They can also create backdoors, allowing unauthorized access to your system. The lack of specific information about Trojan.Pramro.B makes it challenging to predict its exact behavior, but its potential for harm is undeniable.

Symptoms of Infection

The symptoms of a Trojan.Pramro.B infection can vary, but common indicators include unusual system behavior, such as slow performance, frequent crashes, or unexpected pop-ups. You might also notice that your browser settings have been altered, or that new, unfamiliar programs have been installed. In some cases, the infection might not exhibit any noticeable symptoms at all, making it difficult to detect without the aid of security software.

How to Remove Trojan.Pramro.B

  1. Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system. This tool can help identify and remove Trojan.Pramro.B and any associated malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the infection was detected. Be cautious and only remove programs that you are certain are malicious or unnecessary.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any alterations made by the malware. This can help restore your browsing experience to normal and prevent further malicious activity.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed. This step is crucial in verifying that the removal was successful and that your system is clean.

Conclusion

The detection and removal of Trojan.Pramro.B require careful attention to detail and a systematic approach. By understanding the nature of this threat and following the steps outlined above, you can protect your system and your personal data from potential harm. Remember, prevention is key; keeping your operating system, software, and security tools up to date can significantly reduce the risk of future infections. Stay vigilant and ensure that you have a robust security solution in place to safeguard against evolving threats like Trojan.Pramro.B.

Analysis Report

General information

Family Name: Trojan.Pramro.B
Signature status: No Signature

Known Samples

MD5: d37e7681a948228a850ee38f41e8b4d2
SHA1: 63bdc2b27c083197e323ff4850f28fd5c33f40db
SHA256: 62C9725869813FCC075328BD85F7F136B8F36107176EE16DF91775B09A70B99F
File Size: 123.39 KB, 123392 bytes
MD5: 14bf2392c93069b5549cb081f94d3d38
SHA1: cca0d9edb1bd8bc5ccc0773fa4f6716b62b34372
SHA256: 807A5AC5158D700A7911265EF71BBABC6AC6E588CBA2E1432A0E7128699CF54E
File Size: 123.39 KB, 123392 bytes
MD5: 71544be2cde86eb34218f74465b8b27a
SHA1: 89d1ff5bc9ac4285172668b5516a471a33f39804
SHA256: 606863EAFC2D2184348F76D3D96FE1D777E3768306369E110085468E5776B405
File Size: 123.39 KB, 123392 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 resources
  • File doesn't have security 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)
  • File is not packed
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 4
Potentially Malicious Blocks: 3
Whitelisted Blocks: 1
Unknown Blocks: 0

Visual Map

x x x 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Keatep.A
  • Pramro.B

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\users\user\appdata\local\temp\154f71.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\2ca6d8.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ace162.exe Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\explorer\advanced::hidden  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center::antivirusoverride  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center::antivirusdisablenotify  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center::firewalldisablenotify  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center::firewalloverride  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center::updatesdisablenotify  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center::uacdisablenotify  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center\svc::antivirusoverride  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center\svc::antivirusdisablenotify  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center\svc::firewalldisablenotify  RegNtPreCreateKey
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HKLM\software\wow6432node\microsoft\security center\svc::firewalloverride  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center\svc::updatesdisablenotify  RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\security center\svc::uacdisablenotify  RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtProtectVirtualMemory
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  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation
Process Manipulation Evasion
  • NtUnmapViewOfSection

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\63bdc2b27c083197e323ff4850f28fd5c33f40db_0000123392.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\cca0d9edb1bd8bc5ccc0773fa4f6716b62b34372_0000123392.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\89d1ff5bc9ac4285172668b5516a471a33f39804_0000123392.,LiQMAxHB

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