Backdoor

Should I remove “Backdoor:Win32/Zegost.CQ!bit”?

Malware Removal

The Backdoor:Win32/Zegost.CQ!bit 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.CQ!bit virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Deletes its original binary from disk
  • Creates a copy of itself

How to determine Backdoor:Win32/Zegost.CQ!bit?


File Info:

crc32: 92E67BEC
md5: 9399aa4aa09d4de98eff4d4b5d8ce792
name: server.exe
sha1: 4c25f2bd8f8db0f4e51d2d7fcb8b75671edd7399
sha256: 3dd292831276881652f26148dcadfcbea922cbd31dd27ac22d9f74f7eef8b81b
sha512: f7b2a45846ed4714938ef6b0d7b08506b4a88ee2f660b275fb0ed8397d47c2ec3d14114e76a3d80707b201ce55a8515da70820308a79071981fe361476302458
ssdeep: 1536:4BkDb71Cykx/jQf+UU1D2SgMtI2EPbZgNOozgJyy9A1K:4BkDb71YbQIASgMtwbZEkH9A1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Zegost.CQ!bit also known as:

MicroWorld-eScanGen:Variant.Graftor.101342
FireEyeGeneric.mg.9399aa4aa09d4de9
Qihoo-360Win32/Backdoor.92f
McAfeeArtemis!9399AA4AA09D
CylanceUnsafe
AegisLabTrojan.Win32.Graftor.4!c
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderGen:Variant.Graftor.101342
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.aa09d4
TrendMicroBKDR_ZEGOST.SM34
F-ProtW32/KillAV.AU.gen!Eldorado
APEXMalicious
AvastWin32:Malware-gen
GDataGen:Variant.Graftor.101342
KasperskyBackdoor.Win32.Lotok.asu
AlibabaBackdoor:Win32/Lotok.dee63308
ViRobotTrojan.Win32.Z.Graftor.270336.IA
TencentWin32.Backdoor.Lotok.Htcb
Ad-AwareGen:Variant.Graftor.101342
EmsisoftGen:Variant.Graftor.101342 (B)
F-SecureTrojan.TR/AD.Farfli.fxmlp
McAfee-GW-EditionBehavesLike.Win32.PWSOnlineGames.dm
Trapminemalicious.high.ml.score
SophosMal/Generic-S
IkarusTrojan.Win32.Farfli
CyrenW32/KillAV.AU.gen!Eldorado
AviraTR/AD.Farfli.fxmlp
Endgamemalicious (high confidence)
ArcabitTrojan.Graftor.D18BDE
ZoneAlarmBackdoor.Win32.Lotok.asu
MicrosoftBackdoor:Win32/Zegost.CQ!bit
BitDefenderThetaAI:Packer.0EAA17711F
ALYacGen:Variant.Graftor.101342
MAXmalware (ai score=99)
PandaGeneric Malware
ESET-NOD32a variant of Generik.MINNXTI
TrendMicro-HouseCallBKDR_ZEGOST.SM34
RisingBackdoor.Zegost!8.177 (CLOUD)
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_70% (W)

How to remove Backdoor:Win32/Zegost.CQ!bit?

Backdoor:Win32/Zegost.CQ!bit 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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