PUP.MyPC Backup

Threat Scorecard

Popularity Rank: 1,620
Threat Level: 10 % (Normal)
Infected Computers: 237,113
First Seen: February 26, 2013
Last Seen: April 11, 2026
OS(es) Affected: Windows

Aliases

7 security vendors flagged this file as malicious.

Antivirus Vendor Detection
AVG Generic.7D7
McAfee Artemis!4C4FD2CF29D9
GData Win32.Trojan.Agent.6QEVJE
Sophos Generic PUA MH
McAfee-GW-Edition Artemis
Avast Win32:Malware-gen
Symantec MyPCBackup

SpyHunter Detects & Remove PUP.MyPC Backup

File System Details

PUP.MyPC Backup may create the following file(s):
# File Name MD5 Detections
1. DEL_UnRegisterExtensions.exe 32ccedc4ce079cf10c778cc75e3b40e9 6,712
2. uninst.exe.vir b3f12e4c4aafb56e945ed48d8647b563 4,771
3. uninst.exe e3f9b5981c93682c8980809fdb93f99c 3,829
4. BackupStack.exe 7a67e75de5fa8680746d74761949d399 2,321
5. A0044567.exe 54d23f93cdb0aff738c75fdb6359fe51 1,933
6. MyPC Backup.exe a442aab9ad4246965be84b6b6972c426 1,687
7. BackupStack.exe.vir 3aaa70f71ba473ed9c88c83fecab28d7 1,552
8. Updater.exe 54874f3332e32e6294d9a59b4bef834b 1,365
9. GetText.dll 10bb4948b3b3c1c407b2e8d0886c8723 899
10. Shared Stack.dll fa3b9eb2a835ab1fbe1ce70ab65b2213 872
11. MPCBClient.dll 5eda885eebd4c8f863df0d066d2899ec 828
12. UnRegisterExtensions.exe.vir c1b78e5bb7297b4b46f16873d0073123 782
13. CloudBackup2459.exe bcba8747ab53932f8613c006444078e9 669
14. A0008410.exe a0a4dd8d711d55884c163a3784eac55e 492
15. MPCBContextMenu.dll 3b6b35d7f17aeee4749581f941e73519 490
16. MPCBIconOverlays.dll cd8e6832ec6100d862ec76620f98763a 423
17. air5598.exe 3d2810bd999225ac121040ba80d24494 378
18. $RZNKW1Z.exe cd5e46297de66dff69edc00499068ea8 278
19. A0382240.exe d51ce3155614d46c3be4758c7d72a8f2 258
20. A0382245.exe 69c6195f4147f69532649ac11d673be6 190
21. Signup Wizard.exe 747fbba2d1645d9a582994531577d370 177
22. A0382224.exe ce5a6ab907758186a5b5536b7ed78323 174
23. debug.txt bf8ee5a0d3582453fbe6d0c94fcdb55a 84
24. MyPC Backup.exe.vir 1d913087c14071400e71a162aeb51524 80
25. adv_33.exe 3d4913e1a20168d4d3d0bc7163ba7784 67
26. aff_setup.exe 35d581e4e380ff2ba493d75120147be5 66
27. DEL_MyPC Backup.exe 1d7f9dcc554712e3239a3079c89118e0 56
28. Signup Wizard.exe.vir 76f661034f4ab0753b7981b609c6a130 36
29. BackupSetup.exe f9044bbf0bc653c378400b9b1338c52c 1
More files

Registry Details

PUP.MyPC Backup may create the following registry entry or registry entries:
File name without path
http_www.mypcbackup.com_0.localstorage
http_www.mypcbackup.com_0.localstorage-journal
MyPC Backup.lnk
www.mypcbackup[1].xml
Regexp file mask
%WINDIR%\System32\Tasks\LaunchPreSignup
%windir%\system32\tasks\launchsignup.l
%WINDIR%\System32\Tasks\MyPC Backup Updater
%WINDIR%\Tasks\LaunchPreSignup.job
Software\Microsoft\Internet Explorer\DOMStorage\mypcbackup.com
Software\Microsoft\Internet Explorer\DOMStorage\www.mypcbackup.com
SOFTWARE\Microsoft\Tracing\BackupStack_RASAPI32
SOFTWARE\Microsoft\Tracing\BackupStack_RASMANCS
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\LaunchPreSignup
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\LaunchSignup
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\MyPC Backup Updater
SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\MyPC Backup
SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\App Paths\MyPC Backup
SYSTEM\ControlSet001\services\BackupStack
SYSTEM\ControlSet002\services\BackupStack
SYSTEM\CurrentControlSet\services\BackupStack

Directories

PUP.MyPC Backup may create the following directory or directories:

%APPDATA%\Microsoft\Windows\Start Menu\Programs\MyPC Backup
%PROGRAMFILES%\MyPC Backup
%PROGRAMFILES%\OLBPre
%PROGRAMFILES(X86)%\MyPC Backup
%PROGRAMFILES(X86)%\OLBPre
%TEMP%\MyPcBackup
%USERPROFILE%\Start Menu\Programs\MyPC Backup

Analysis Report

General information

Family Name: PUP.MyPC Backup
Signature status: Root Not Trusted

Known Samples

MD5: a8d6414a404f8029cb7f1b55b2d660ba
SHA1: 8b60d257852352eae69de2e52c226abf87a68aba
SHA256: 163BD2DF59FA0D7B71D2CA2F038D5D064A2CF4A578F3F34E9157F9FFDD69155B
File Size: 2.14 MB, 2139870 bytes
MD5: d52c2952384187c574a7c0f338822ade
SHA1: 359b683475216cad159a593154bffa0310295906
SHA256: 7CDB204E3E600E84AA696248AB4FE05D19074097B4D751549AED38D9B6DD350A
File Size: 6.47 MB, 6473404 bytes
MD5: 38bc842f7303cdad577c5744688ef562
SHA1: 8b5ccaa060bc3178cb5d44604b0fb14a3b1aaad4
SHA256: BADA08E36E03894D948E9667E3FF099699183BDD7A33DA792F82CC93642D5FC1
File Size: 4.80 MB, 4799348 bytes
MD5: 029527ebbd85878d8bf0bbf2a7c38877
SHA1: 75894b7f8feb6fc227b5070522ae33c14c2c08c7
SHA256: 3F7B6EEA59AAC9F1C7F6CFFEB6C0D082BF85B3B98B238CE91CFDF96D4FB829A0
File Size: 144.55 KB, 144548 bytes
MD5: cb4461e29ef291d47fc0b9b06c297733
SHA1: f181bb544aa1a98333d89f5feb90e1847d994e08
SHA256: 527FCDC144804C152F33CE92838F136179C377E014DB6522689FA55517D86EB2
File Size: 73.90 KB, 73896 bytes
Show More
MD5: 1488785256a8aa30fe34e88494fb69d1
SHA1: b61aa93d03928df49689612f0aa53cb8f7f84077
SHA256: 224633433C42F77F2FC10AE00B00B3EDBF7ABAEC65433BBD36A47423D6BA8161
File Size: 8.72 MB, 8717312 bytes
MD5: df942b42cec32c48a0527afb425add06
SHA1: 71632dc2dd94f008071402dd84ae4cb59c64c60a
SHA256: 86E2A0EBAB1077EB3A569D56995CD80B47360E54304AD172F51DF6A3220A70E0
File Size: 4.82 MB, 4818960 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 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
Show More
  • 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
Comments Installer for Duplicate Cleaner Free. www.duplicatecleaner.com
Company Name DigitalVolcano Software Ltd
File Description
  • Duplicate Cleaner Free Setup
  • Malware protection by TotalAV
  • TotalAV Ultimate Antivirus Installer
File Version
  • 5.4.19.0
  • 4.13.39.0
  • 3.1.5
  • 1.39.26.0
Legal Copyright
  • (c)2013 DigitalVolcano
  • (C) SS Protect Ltd
Original Filename TotalAV.exe
Product Name
  • Duplicate Cleaner Free
  • TotalAV
Product Version
  • 5.4.19.0
  • 4.13.39.0

Digital Signatures

Signer Root Status
PC Backup Software Limited DigiCert Assured ID Root CA Root Not Trusted
Digital Volcano software Ltd UTN-USERFirst-Object Root Not Trusted
SS Protect Limited VeriSign Class 3 Public Primary Certification Authority - G5 Root Not Trusted
SS Protect Ltd VeriSign Class 3 Public Primary Certification Authority - G5 Root Not Trusted

File Traits

  • Installer Manifest
  • nosig nsis
  • No Version Info
  • Nullsoft Installer
  • x86

Files Modified

File Attributes
\device\namedpipe Generic Read,Write Attributes
\device\namedpipe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\691e2668cf6045b2a8195b3c83dc3f87710079.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\aff.conf Generic Write,Read Attributes
c:\users\user\appdata\local\temp\backupsetup.exe Generic Write,Read Attributes
c:\users\user\appdata\local\temp\log.txt Read Attributes,Synchronize,Append data
c:\users\user\appdata\local\temp\log.txt Read Attributes,Synchronize,Write Data
c:\users\user\appdata\local\temp\nsba4d7.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete
c:\users\user\appdata\local\temp\nsca8ce.tmp Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsca8ce.tmp\nsisdl.dll Generic Write,Read Attributes
Show More
c:\users\user\appdata\local\temp\nsca8ce.tmp\nsisdl.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\logex.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\logex.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\nsisdl.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\nsisdl.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\nsjson.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\nsjson.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\nsrandom.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsf2e2e.tmp\nsrandom.dll Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsra536.tmp\modern-header.bmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsra536.tmp\modern-wizard.bmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsra536.tmp\nsdialogs.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsra536.tmp\system.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nst6302.tmp\nsexec.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nst6302.tmp\nsscm.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsu2cb6.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete
c:\users\user\appdata\local\temp\nsxa861.tmp\langdll.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsxa861.tmp\system.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy60fe.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete
c:\users\user\appdata\local\temp\readme_6605.txt Generic Write,Read Attributes
c:\users\user\appdata\local\temp\settings_700.dat Generic Write,Read Attributes
c:\users\user\appdata\local\temp\userguide_647.pdf Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations \??\C:\Windows\SystemTemp\a9dd6c3f-d641-4292-855a-e9c09c1b694b.tmp\??\C:\Windows\SystemTemp\85968c61-a19d-4e7b-a80f-d2a1fc3c08 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations *1\??\C:\Windows\SystemTemp\MicrosoftEdgeUpdate.exe.old122e4*1\??\C:\Windows\SystemTemp\CopilotUpdate.exe.old12352*1\??\C:\P RegNtPreCreateKey

Windows API Usage

Category API
Service Control
  • OpenService
Process Shell Execute
  • CreateProcess
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetUserObjectInformation
Network Winsock2
  • WSAStartup
Network Winsock
  • closesocket
  • connect
  • gethostbyname
  • inet_addr
  • recv
  • send
  • socket

Shell Command Execution

"taskkill" /f /T /IM "OLBPre.exe"
C:\Users\Dfrsiniu\AppData\Local\Temp\BackupSetup.exe

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