Categories: Backdoor

Backdoor:Win32/Zegost.CC removal tips

The Backdoor:Win32/Zegost.CC 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 Backdoor:Win32/Zegost.CC virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Backdoor:Win32/Zegost.CC?


File Info:

name: 89B1832DEA411D486177.mlwpath: /opt/CAPEv2/storage/binaries/3077e0480669f6fbb1b29188f0b4a5450f96229080de29a55f9f79292429f41ecrc32: 59FD7D52md5: 89b1832dea411d486177e1654b68bdabsha1: 4fdd696d9551c44ec3deca1f2dcccb2a32d7a36bsha256: 3077e0480669f6fbb1b29188f0b4a5450f96229080de29a55f9f79292429f41esha512: ae15e5fd50fe283b9a0a54c61dddb39ebadd73196bb89f9dcf95d21e963ae5cf3335caa8067ae2287c7f88e4d62f57d0e0ef616476c993f4812299ebdf68a505ssdeep: 3072:CXqf8CMQpYvJ/Op/6DCYvaGeO67lhcp5zaQu4EO414auRa7ehdfyrZr89Kpy7E3S:CXs8hQCB/YIC2SO67l+zaffuRkehByFItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D9F3BF02FA4540FED294057C58FA777AE63B7CA5AA18EF837314FE550C72091AB32297sha3_384: 85f2fbfd382dadc70707936887832fcb3d382895f39ad92e6ff34695c5ec063612bdd3e0142b79047ddce6790aab3a8fep_bytes: 558bec6aff68f8134000687023400064timestamp: 2009-05-18 01:37:35

Version Info:

Comments: CompanyName: 360安全中心FileDescription: 360安全卫士签名验证模块FileVersion: 0, 0, 0, 0InternalName: 360VerifyLegalCopyright: Copyright (C) 2006-2008 360.cnLegalTrademarks: OriginalFilename: 360Verify.dllPrivateBuild: ProductName: 360安全卫士签名验证模块ProductVersion: 1, 0, 0, 1001SpecialBuild: Translation: 0x0804 0x04b0

Backdoor:Win32/Zegost.CC also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Generic.lCR2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Application.Doina.10498
FireEye Generic.mg.89b1832dea411d48
CAT-QuickHeal Trojan.Aksula.A
Skyhigh BackDoor-DZB
ALYac Gen:Variant.Application.Doina.10498
Malwarebytes Generic.Trojan.Dialer.DDS
VIPRE Gen:Variant.Application.Doina.10498
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Dialer ( 0009ea801 )
BitDefender Gen:Variant.Application.Doina.10498
K7GW Dialer ( 0009ea801 )
Cybereason malicious.d9551c
Arcabit Trojan.Application.Doina.D2902
BitDefenderTheta AI:Packer.98F21B151F
VirIT Backdoor.Win32.Agent.AFLK
Symantec Trojan.Dropper
ESET-NOD32 Win32/Dialer.NHO
APEX Malicious
ClamAV Win.Trojan.Zegost-9760656-0
Kaspersky Backdoor.Win32.Agent.alqt
Alibaba Malware:Win32/km_26ae.None
NANO-Antivirus Trojan.Win32.Pigeon.irbpno
ViRobot Backdoor.Win32.Agent.13312.L
Rising Trojan.Agent!1.650A (CLASSIC)
Sophos ML/PE-A
Baidu Win32.Trojan.Dialer.p
F-Secure Trojan.TR/Spy.Gen
DrWeb BackDoor.Pigeon.22385
Zillya Backdoor.Agent.Win32.155
TrendMicro BKDR_AGENT.SMZQ
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Application.Doina.10498 (B)
Ikarus Trojan-Dropper.Agent
Jiangmin Backdoor/Agent.bsix
Webroot W32.Backdoor.Gen
Google Detected
Avira TR/Spy.Gen
Varist W32/Backdoor.TWTK-0450
Antiy-AVL Trojan[Backdoor]/Win32.FirstInj
Kingsoft Win32.HeurC.KVM005.a
Xcitium TrojWare.Win32.Magania.~all@f80ty
Microsoft Backdoor:Win32/Zegost.CC
ZoneAlarm Backdoor.Win32.Agent.alqt
GData Gen:Variant.Application.Doina.10498
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Magania.R6245
McAfee BackDoor-DZB
DeepInstinct MALICIOUS
VBA32 BScope.Trojan.SvcHorse.01643
Cylance unsafe
Panda Generic Malware
TrendMicro-HouseCall BKDR_AGENT.SMZQ
Tencent Trojan.Win32.Zeogst.ab
Yandex Trojan.GenAsa!TwT3bfT3kGM
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Dialer.NEW
AVG Win32:Agent-AGNT [Drp]
Avast Win32:Agent-AGNT [Drp]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Zegost.CC?

  • 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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