How to remove “Trojan:Win32/Sefnit.G”?

The Trojan:Win32/Sefnit.G 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.

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What Trojan:Win32/Sefnit.G virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Dynamic (imported) function loading detected
• Enumerates running processes
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial language used in binary resources: Russian
• The binary contains an unknown PE section name indicative of packing
• The executable is compressed using UPX
• Authenticode signature is invalid
• Created a process from a suspicious location
• Creates a copy of itself

How to determine Trojan:Win32/Sefnit.G?

File Info:
name: 35B0AF251C37EC4BB947.mlw
path: /opt/CAPEv2/storage/binaries/c764dfeb6e28de30307af2b4e639185bc97457fd9c4adc9d23773be11a4b8ee5
crc32: ED480232
md5: 35b0af251c37ec4bb947b5cbb365be22
sha1: ae4ba192180df838f5dd9b325fbda00131273e2b
sha256: c764dfeb6e28de30307af2b4e639185bc97457fd9c4adc9d23773be11a4b8ee5
sha512: 560b9522e894fbebe40bd133d5a73b91ec846dec81c81a4cfce31198ecec12561a7fc158cab09ac59cf83b7be8f6b3c00539e7a86ef124100709090a8597dc6d
ssdeep: 98304:bBaTHL8nR00l4Y/PKJFq1SNq5wroF9Emfc/JVrNx88b/e342axGkDYxM+VNAuo:dRplTPKyRMB/JhEc/e0xrExOuo
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A0663336AB43C57BC0ED0D72869B16BDB77096904349133AC75C882E2873F9A6E4DF19
sha3_384: f0aa9368c1742a9c172732c9ab9062b6272947d0e9dada267f1d1d841ad6eac848ebc79438f12b57c067476768b2b5f7
ep_bytes: 558bec83c4d0ff75e052683853790068
timestamp: 2006-09-05 21:35:20

Version Info:
ProductName: WinRAR
CompanyName: Alexander Roshal
FileDescription: WinRAR archiver
FileVersion: 3.80
InternalName: WinRAR
LegalCopyright: Copyright © Alexander Roshal 1993-2008
OriginalFilename: WinRAR.exe
Comments: Translation © Dmitry Yerokhin 1999-2008

Trojan:Win32/Sefnit.G also known as:

How to remove Trojan:Win32/Sefnit.G?

• 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.