Categories: Trojan

Trojan:WinNT/Perkesh!A removal tips

The Trojan:WinNT/Perkesh!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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What Trojan:WinNT/Perkesh!A virus can do?

  • Loads a driver
  • Expresses interest in specific running processes
  • A process created a hidden window
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Attempts to stop active services
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Trojan:WinNT/Perkesh!A?


File Info:

crc32: 9B36C7DAmd5: a080f7b436584404f6da7d73e88be97bname: A080F7B436584404F6DA7D73E88BE97B.mlwsha1: acc313b12ae2325b61d3ad6f694d6b90175345easha256: 23c5cb3c4670890fb31baa4c132a918bb8ddd35db5fe151af87a368c97b2f21dsha512: 88f04720af5a5242c0ee5836c29e7fa6ebe69eb8169d2244fa50809f3f5a0a5ee094b4018450a579c7442e1df0e89861b324cbed3d12df099c26ecfe5f2bb522ssdeep: 768:J2f9mw/WIn3+NvtSet2YeOBIwy4aYHd1LDrd2nl3nWyGfbOKaEu0tkb:oN+IORteYIdQLdQGlfiKab0tkbtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:WinNT/Perkesh!A also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan-Downloader ( 0055e3da1 )
Lionic Trojan.Win32.LibPatcher.l3fx
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner1.16161
Cynet Malicious (score: 100)
ALYac Generic.Malware.WV!dld!g.8D883B24
Cylance Unsafe
Zillya Downloader.LibPatcher.Win32.812
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanDownloader:Win32/LibPatcher.401d9618
K7GW Trojan-Downloader ( 0055e3da1 )
Cybereason malicious.436584
Baidu Win32.Rootkit.Agent.ar
Cyren W32/Perkesh.B.gen!Eldorado
Symantec Trojan.Dropper
ESET-NOD32 a variant of Win32/TrojanDownloader.Agent.OMQ
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Agent-35382
Kaspersky Trojan-Downloader.Win32.LibPatcher.eb
BitDefender Generic.Malware.WV!dld!g.8D883B24
NANO-Antivirus Trojan.Win32.Agent.bqprlk
ViRobot Backdoor.Win32.Agent.54272.D
MicroWorld-eScan Generic.Malware.WV!dld!g.8D883B24
Tencent Malware.Win32.Gencirc.114c0bda
Ad-Aware Generic.Malware.WV!dld!g.8D883B24
Sophos Mal/Generic-S + Mal/Behav-112
BitDefenderTheta AI:Packer.D137C9C31F
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_KILLAV.SMEA
McAfee-GW-Edition BehavesLike.Win32.Emotet.ph
FireEye Generic.mg.a080f7b436584404
Emsisoft Generic.Malware.WV!dld!g.8D883B24 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor/Agent.bldb
Avira TR/ATRAPS.Gen
eGambit Unsafe.AI_Score_80%
Antiy-AVL Trojan/Generic.ASMalwS.649C2D
Microsoft Trojan:WinNT/Perkesh.gen!A
Arcabit Generic.Malware.WV!dld!g.8D883B24
GData Generic.Malware.WV!dld!g.8D883B24
AhnLab-V3 Trojan/Win32.Agent.C25781
McAfee Artemis!A080F7B43658
MAX malware (ai score=100)
VBA32 BScope.Trojan-Spy.Zbot
Malwarebytes Malware.AI.3818745349
Panda Generic Malware
TrendMicro-HouseCall TROJ_KILLAV.SMEA
Rising Trojan.Killav!1.66BF (CLASSIC)
Fortinet W32/KillAV.DSO!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Trojan:WinNT/Perkesh!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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