Backdoor

Should I remove “Backdoor:Win32/Zegost.H!dll”?

Malware Removal

The Backdoor:Win32/Zegost.H!dll 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.H!dll virus can do?

  • Executable code extraction
  • Detected script timer window indicative of sleep style evasion
  • Reads data out of its own binary image
  • A process created a hidden window
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • A scripting utility was executed
  • Deletes its original binary from disk
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Created a service that was not started

How to determine Backdoor:Win32/Zegost.H!dll?


File Info:

crc32: 12C5D757
md5: f4ae42590b232173679949a96e049c11
name: aanquan.exe
sha1: 381f406e00108e5a49cb60e45a03db1e45e20e55
sha256: 75b1c6e231584084b902586dc76fd8102443a71373b73afbd02225f7ebdaeab5
sha512: 46ddb36da863b737ee3d994cdaa9099a5c3affd952ba8dff5d290968ac170a5584b5ac3edf791f3504571bde9af8f7f37921b66bdef47cd2d1e51c35998e61ff
ssdeep: 12288:kkQGKxqfuyYt/whkkaxLG2k65gedsJ5lX:kFOLYt4akaxLGf657dsJ5x
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Zegost.H!dll also known as:

MicroWorld-eScanDropped:Trojan.VBS.UNN
Qihoo-360Win32/Backdoor.0f2
McAfeeArtemis!F4AE42590B23
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 004b2a0d1 )
AlibabaBackdoor:Win32/Lotok.ddab3106
CrowdStrikewin/malicious_confidence_100% (D)
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.BLQC
APEXMalicious
KasperskyBackdoor.Win32.Lotok.zp
BitDefenderDropped:Trojan.VBS.UNN
TencentMalware.Win32.Gencirc.10b85f6f
Endgamemalicious (high confidence)
SophosMal/Generic-S
ZillyaTrojan.Lotok.Win32.15
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.f4ae42590b232173
EmsisoftDropped:Trojan.VBS.UNN (B)
JiangminBackdoor.Lotok.br
MAXmalware (ai score=84)
MicrosoftBackdoor:Win32/Zegost.H!dll
ZoneAlarmBackdoor.Win32.Lotok.zp
AhnLab-V3Malware/Win32.Generic.C3635038
Acronissuspicious
VBA32BScope.TrojanDropper.Dapato
Ad-AwareDropped:Trojan.VBS.UNN
PandaTrj/GdSda.A
YandexBackdoor.Lotok!
SentinelOneDFI – Malicious PE
eGambitUnsafe.AI_Score_94%
GDataDropped:Trojan.VBS.UNN
AVGWin32:Trojan-gen
Cybereasonmalicious.90b232
AvastWin32:Trojan-gen
MaxSecureTrojan.Malware.74729512.susgen

How to remove Backdoor:Win32/Zegost.H!dll?

Backdoor:Win32/Zegost.H!dll removal tool
  • 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.

About the author

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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