F-Secure
Tools
Trojan-Spy:W32/Papras.EL
Summary
A trojan that secretly installs spy programs, such as keyloggers.
Additional 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:
However, these files are removed after execution
To mark its presence in the system, it creates mutexes such as these:
Registry
The malware creates these registry keys:
The registry key HKCU\SOFTWARE\AppDataLow\{60ecdd11-f33c-356b-d5ce-d9e2cf307364} will see the following values added to it:
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)