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Trojan-Spy:W32/Papras.EL

Classification

Category:

Malware

Type:

Trojan-spy

Aliases:

  • Trojan-Dropper.Win32.Agent.butu

Summary

A trojan that secretly installs spy programs, such as keyloggers.

Removal

Technical Details

Trojan-Spy:W32/Papras.EL is a dll file that is loaded using rundll32.exe. It is observed to steal sensitive data such as user ID, password and network socket.

Execution

Upon execution, it creates the following files:

  • %localsettings%\History\desktop.ini
  • %cookies%\index.dat

However, these files are removed after execution To mark its presence in the system, it creates mutexes such as these:

  • {9a74cd60-a13f-3d92-94c9-080de6e37ac7}
  • Local\{eb3c901d-d2d8-b857-a1ca-659e7b8cdf80}

Registry

The malware creates these registry keys:

  • HKCU\SOFTWARE\AppDataLow
  • HKCU\SOFTWARE\AppDataLow\{60ecdd11-f33c-356b-d5ce-d9e2cf307364}

The registry key HKCU\SOFTWARE\AppDataLow\{60ecdd11-f33c-356b-d5ce-d9e2cf307364} will see the following values added to it:

  • k1 = 1604692393 (random numbers)
  • k2 = 1074269778 (random numbers)

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