Categories: Backdoor

Dropped:Backdoor.Zegost.BC removal instruction

The Dropped:Backdoor.Zegost.BC 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 Dropped:Backdoor.Zegost.BC virus can do?

  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Network activity detected but not expressed in API logs

How to determine Dropped:Backdoor.Zegost.BC?


File Info:

crc32: 28D9D816md5: aca19ed1cf31f4e600618fa38388710ename: ACA19ED1CF31F4E600618FA38388710E.mlwsha1: 9a50a9df60d44a9b4acc38de5db3e1afd1c0100csha256: 360bca1709c2cdfd1b1d6e350d7f7c0213bf59cc1c01f3d649370fe5ba808149sha512: 39ba9f72b0f282c6a16407e785c2169cad8b59f3cbd69211562c9f5f3bd616c788d97f282a6a18c8aa59fee831358d2792ea5d7395c634182b736b75fc1abffbssdeep: 24576:UXzUbSX5Z/IYno0dbnn0jqtQCakn7dk7vcJx:UX4uXjo0Z0jq+Cakn7dk78type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Dropped:Backdoor.Zegost.BC also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Dropped:Backdoor.Zegost.BC
FireEye Generic.mg.aca19ed1cf31f4e6
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee GenericRXAA-AA!ACA19ED1CF31
Malwarebytes Trojan.FlyStudio
Zillya Trojan.Generic.Win32.327
Sangfor Virus_Suspicious.Win32.Sality.ae
K7AntiVirus Trojan ( 00539b2c1 )
BitDefender Dropped:Backdoor.Zegost.BC
K7GW Trojan ( 00539b2c1 )
Cybereason malicious.1cf31f
Baidu Win32.Trojan.Farfli.bg
Cyren W32/Agent.EW.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:GenMalicious-JHS [Trj]
ClamAV Win.Trojan.Zegost-7007928-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Backdoor:Win32/Zegost.9f69c3bc
NANO-Antivirus Trojan.Win32.Download.ejlmmx
Rising Backdoor.Zegost!8.177 (CLOUD)
Ad-Aware Dropped:Backdoor.Zegost.BC
Sophos ML/PE-A + Troj/AutoG-EB
Comodo Worm.Win32.Dropper.RA@1qraug
F-Secure Backdoor.BDS/Zegost.Gen
DrWeb Trojan.Rootkit.22030
VIPRE Trojan.Win32.Generic!BT
TrendMicro BKDR_ZEGOST.SML
McAfee-GW-Edition BehavesLike.Win32.Generic.th
Emsisoft Dropped:Backdoor.Zegost.BC (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cakkw
Avira BDS/Zegost.Gen
Antiy-AVL GrayWare/Win32.FlyStudio.a
Microsoft Backdoor:Win32/Zegost.AD
Gridinsoft Trojan.Win32.Agent.vb!s1
Arcabit Backdoor.Zegost.BC
ZoneAlarm HEUR:Trojan.Win32.Siscos.gen
GData Win32.Trojan.PSE.1BCTY8T
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Hupigon.C67371
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.urZ@aiplzJfb
ALYac Dropped:Backdoor.Zegost.BC
VBA32 Trojan.Rootkit
ESET-NOD32 a variant of Win32/TrojanDropper.FlyStudio.CH
TrendMicro-HouseCall BKDR_ZEGOST.SML
Yandex Trojan.GenAsa!y0qT6qoG8CA
MAX malware (ai score=87)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic.AC.40DA7C
AVG Win32:GenMalicious-JHS [Trj]
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Backdoor.Zegost.HykChtsA

How to remove Dropped:Backdoor.Zegost.BC?

  • 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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