Categories: Trojan

Trojan:PowerShell/Vigorf.A removal guide

The Trojan:PowerShell/Vigorf.A 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Trojan:PowerShell/Vigorf.A virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • A scripting utility was executed
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to execute a powershell command with suspicious parameter/s
  • Anomalous binary characteristics

How to determine Trojan:PowerShell/Vigorf.A?


File Info:

crc32: DEFE6E5Bmd5: adde6ea19f145cc002410cd24f086e47name: ADDE6EA19F145CC002410CD24F086E47.mlwsha1: f7a1126a7a7fc8cc7515c425380302d27f76e0b7sha256: f331a9e2ac2c723754f3b887fa244a6fa64a292248e33c2a0a41cab1fc1390c3sha512: faf9a0d371bfd61b5485de048092b7526c97195324f995652b5ce8d3daa4f47442b492aeb58d83895dcb6b0d84440b67f4bb1fbae6693e0d551a9a1814b4608bssdeep: 1536:cY7ftfkS5g9YOms+gZcQipICdXkNDqLLZX9lItVGL++eIOlnToIf1wqzh4yS2vOM:c2FfHgTWmCRkGbKGLeNTBf1JGtMtype: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:PowerShell/Vigorf.A also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0052419b1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Dropped:Heur.BZC.MTN.Boxter.591.221C3426
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (W)
Alibaba Trojan:Win32/Leivion.311a27c2
K7GW Trojan ( 0052419b1 )
Cybereason malicious.19f145
ESET-NOD32 PowerShell/Kryptik.H
Avast PwrSh:Dropper-G [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Dropped:Heur.BZC.MTN.Boxter.591.221C3426
MicroWorld-eScan Dropped:Heur.BZC.MTN.Boxter.591.221C3426
Ad-Aware Dropped:Heur.BZC.MTN.Boxter.591.221C3426
Sophos Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Generic.nh
FireEye Generic.mg.adde6ea19f145cc0
Emsisoft Dropped:Heur.BZC.MTN.Boxter.591.221C3426 (B)
eGambit Unsafe.AI_Score_93%
Microsoft Trojan:PowerShell/Vigorf.A
GData Dropped:Heur.BZC.MTN.Boxter.591.221C3426
TACHYON Trojan/W32.Runner.93696
Acronis suspicious
McAfee Artemis!ADDE6EA19F14
MAX malware (ai score=84)
Malwarebytes Malware.Heuristic.1008
Rising Trojan.Leivion!8.F29F (CLOUD)
Ikarus Trojan.PowerShell.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic.H!tr
AVG PwrSh:Dropper-G [Trj]
Paloalto generic.ml
Qihoo-360 HEUR/QVM05.1.E85B.Malware.Gen

How to remove Trojan:PowerShell/Vigorf.A?

  • 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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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