Categories: Malware

Win32:GenMaliciousA-CYK [Trj] removal tips

The Win32:GenMaliciousA-CYK [Trj] 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 Win32:GenMaliciousA-CYK [Trj] virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine Win32:GenMaliciousA-CYK [Trj]?


File Info:

name: 540615C3C75B6F1F04CC.mlwpath: /opt/CAPEv2/storage/binaries/07d02fd2be7fbd6721f3ede870bed058afc64545c9aa9d66f5a88942a166c1a4crc32: F7C2F697md5: 540615c3c75b6f1f04cc23452ad427f3sha1: 90f8d2d6d5365090e7c90e17f02e4ff687ba06ddsha256: 07d02fd2be7fbd6721f3ede870bed058afc64545c9aa9d66f5a88942a166c1a4sha512: a0a1e8ba14890058e61b369c37484b3a6f1fcc7745bed7fe87731a59e3b071a1d1f04eb7899c046664b30a72632af1d0066e14afe26a95d1649b8882d2e90d60ssdeep: 12288:sObA1+eBMhNa4dNt9h7fHSR/MPteDRbNYxZBI0:DeIQ4jSREPcRbNYJItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A0947D87B2A2C6B0D293957C4E135A7565ABFFD42F7927D373902E4989390C4623E30Bsha3_384: dcbc3b65a8c3584a9f76187b4197c15d22c4d931f860ef50cecdc8924db5ea6a922ae4a57e9954a80feaeeb4385932bcep_bytes: 6a6068e8164500e84e120000bf940000timestamp: 2011-03-30 18:12:57

Version Info:

FileVersion: 1.0.0.60ProductVersion: 1.0.0.60Translation: 0x0804 0x03a8

Win32:GenMaliciousA-CYK [Trj] also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.OnlineGames.5
FireEye Generic.mg.540615c3c75b6f1f
CAT-QuickHeal Trojan.GenericRI.S23701459
ALYac Gen:Variant.OnlineGames.5
Cylance Unsafe
Zillya Downloader.Gamup.Win32.170
K7AntiVirus Trojan ( 001cac2a1 )
K7GW Trojan ( 001cac2a1 )
Cybereason malicious.3c75b6
Baidu Win32.Trojan.BHO.n
Cyren W32/FakeGame.B.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/BHO.OBT
APEX Malicious
ClamAV Win.Trojan.OnlineGames-65
Kaspersky Trojan-Downloader.Win32.Gamup.qjj
BitDefender Gen:Variant.OnlineGames.5
NANO-Antivirus Trojan.Win32.Gamup.dpfzr
Avast Win32:GenMaliciousA-CYK [Trj]
Tencent Trojan.Win32.BitCoinMiner.la
Ad-Aware Gen:Variant.OnlineGames.5
Sophos ML/PE-A + Troj/Darbyen-A
Comodo TrojWare.Win32.BHO.EFKMNB@4ok0yf
DrWeb Trojan.DownLoad2.34403
VIPRE Trojan.Win32.Darbyen.A (v) (not malicious)
TrendMicro TROJ_STARTP.SML2
McAfee-GW-Edition BehavesLike.Win32.StartPage.gh
Emsisoft Gen:Variant.OnlineGames.5 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDownloader.Gamup.a
Webroot W32.Downloader.Gen
Avira TR/BHO.efkmnb
Antiy-AVL Trojan/Generic.ASMalwS.1AF466
Microsoft Trojan:Win32/BHO.EF
ViRobot Trojan.Win32.A.Downloader.417792
GData Gen:Variant.OnlineGames.5
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.OnlineGameHack.R1905
Acronis suspicious
McAfee StartPage-NH.b
MAX malware (ai score=81)
VBA32 TrojanDownloader.Gamup
Malwarebytes Malware.AI.3926474037
TrendMicro-HouseCall TROJ_STARTP.SML2
Rising Trojan.Win32.StartPage.qgi (CLASSIC)
Yandex Trojan.GenAsa!Jb96zaNUH9E
Ikarus Trojan-Downloader.Win32.Gamup
Fortinet W32/ZLob.AAAA!tr.dldr
BitDefenderTheta Gen:NN.ZexaF.34294.zu1@aGcBhlfb
AVG Win32:GenMaliciousA-CYK [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32:GenMaliciousA-CYK [Trj]?

  • 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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