About “Trojan.MauvaiseRI.S5242494” infection

The Trojan.MauvaiseRI.S5242494 is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

What Trojan.MauvaiseRI.S5242494 virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• NtSetInformationThread: attempt to hide thread from debugger
• Dynamic (imported) function loading detected
• Enumerates running processes
• Expresses interest in specific running processes
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• Reads data out of its own binary image
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• Installs an hook procedure to monitor for mouse events
• Checks for the presence of known windows from debuggers and forensic tools
• Checks for the presence of known windows from debuggers and forensic tools
• The following process appear to have been packed with Themida: KnightOnline.exe
• Checks for the presence of known devices from debuggers and forensic tools
• Checks for the presence of known devices from debuggers and forensic tools
• Detects the presence of Wine emulator via registry key
• Checks the version of Bios, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key

How to determine Trojan.MauvaiseRI.S5242494?

File Info:
name: EFB3B9523250C1BAAEE1.mlwpath: /opt/CAPEv2/storage/binaries/00216c5b85e27236c7be6bd478225caae61a86a3f573de43410125900f28241ccrc32: E0A4525Dmd5: efb3b9523250c1baaee154bf0778f569sha1: d2ceeb249b2b1fa79ee6fa16243c34b08a628ebdsha256: 00216c5b85e27236c7be6bd478225caae61a86a3f573de43410125900f28241csha512: 8f940e95be59a49875d317063ec8d061304fde03a13255cdb7acb9329eaf904d29d3c944cb012e3523098b8666245849ced6a0a78f78bbb840444d72dcf53c92ssdeep: 196608:sC7sIqV8OFqyHlvxJAz1IeK0CQywzlDL5wD3V/q:sCgZV+021IV0C7uV2Ctype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1CA863303961F5E12D8B7CA3F5063FEB85D9ABE1238043B4EE922541094DD81BBB179E7sha3_384: f0d6ecd467f874f2f5d8f71168b7700b3e76fc01d000c7e5c9b248d910d3d863d20f3a948f1c26d9ed7bd64fe36aaac6ep_bytes: 60be007047008dbe00a0f8ff57eb0b90timestamp: 2011-12-23 10:59:31
Version Info:
FileDescription: FileVersion: 3, 3, 8, 0CompiledScript: AutoIt v3 Script: 3, 3, 8, 0Translation: 0x0809 0x04b0

Trojan.MauvaiseRI.S5242494 also known as:

How to remove Trojan.MauvaiseRI.S5242494?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.