Categories: SpyTrojan

Trojan-Spy.Win32.Zbot.bfcj removal tips

The Trojan-Spy.Win32.Zbot.bfcj 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 Trojan-Spy.Win32.Zbot.bfcj virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid

How to determine Trojan-Spy.Win32.Zbot.bfcj?


File Info:

name: 8CD6BB8B8DB866381F6D.mlwpath: /opt/CAPEv2/storage/binaries/a687c781c04566c98d73690914a35aa6139b29ba440f66486de4434ba7049494crc32: 4DAB9845md5: 8cd6bb8b8db866381f6de42b92d88e41sha1: 29e071f16267d13b0d8bca1391d61aaf6be87789sha256: a687c781c04566c98d73690914a35aa6139b29ba440f66486de4434ba7049494sha512: f60290c8ff89a1ef0fc48823600e23b7391cf2539bccb4d4133bf6f646f486cebf7bdb0b5f78ebd94cdc4f9441931956dee4039b3539a3d51181baf6be021f44ssdeep: 3072:0qEoPcIf5BAAP9ChjpwyLcPL5YNgzADwwX:NDkcHP9CfLu9A0type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12AC31393E7FD0652E99CE2F631630091978BDD0946354A917FABF2523C338A25B4DBB0sha3_384: 112afff7c28ab13c93235378a898a099fa50144c47169f18e5bb32761bc66cdd829e4b4ae632a741b780efe22540f81aep_bytes: 60be15e041008dbeeb2ffeff57eb0b90timestamp: 2005-04-25 00:50:25

Version Info:

CompanyName: Vsjdoag NwxvsrpecFileDescription: Vsjdoag Mibcerccba XlvcxclkriFileVersion: 2, 19, 21, 46InternalName: VsjdoagLegalCopyright: Copyright © Vsjdoag Nwxvsrpec 2003-2011OriginalFilename: Vsjdoag.exeProductName: Vsjdoag Mibcerccba XlvcxclkriProductVersion: 42, 84, 31, 97Translation: 0x0409 0x04e4

Trojan-Spy.Win32.Zbot.bfcj also known as:

Bkav W32.MosquitoQKK.Fam.Trojan
Lionic Trojan.Win32.Zbot.l!c
Elastic malicious (high confidence)
DrWeb Trojan.Packed.21467
MicroWorld-eScan Gen:Heur.VIZ.2
FireEye Generic.mg.8cd6bb8b8db86638
CAT-QuickHeal Worm.SlenfBot.Gen
ALYac Gen:Heur.VIZ.2
Cylance Unsafe
Zillya Trojan.Zbot.Win32.32514
Sangfor Trojan.Win32.Gen.2
K7AntiVirus Trojan ( f1000f011 )
Alibaba TrojanSpy:Win32/Kryptik.7882b1ad
K7GW Trojan ( f1000f011 )
Cybereason malicious.b8db86
BitDefenderTheta AI:Packer.3B2308D321
VirIT Trojan.Win32.Zyx.B
Cyren W32/Zbot.CN.gen!Eldorado
Symantec W32.Qakbot!gen5
ESET-NOD32 a variant of Win32/Kryptik.LFX
TrendMicro-HouseCall BKDR_QAKBOT.SMG
ClamAV Win.Trojan.Zbot-55685
Kaspersky Trojan-Spy.Win32.Zbot.bfcj
BitDefender Gen:Heur.VIZ.2
NANO-Antivirus Trojan.Win32.Zbot.cgsij
SUPERAntiSpyware Trojan.Agent/Gen-Cryptic
Avast FileRepMalware
Tencent Win32.Trojan-spy.Zbot.Efbi
Ad-Aware Gen:Heur.VIZ.2
Sophos Mal/Generic-R + Mal/FakeAV-BW
Comodo TrojWare.Win32.TrojanSpy.Zbot.G@2tckk5
F-Secure Trojan.TR/Crypt.XPACK.Gen
VIPRE Backdoor.Win32.Qakbot.ax (v)
TrendMicro BKDR_QAKBOT.SMG
McAfee-GW-Edition BehavesLike.Win32.MultiDropper.cc
SentinelOne Static AI – Malicious PE
Emsisoft Gen:Heur.VIZ.2 (B)
Ikarus Trojan-Spy.Win32.Zbot
GData Gen:Heur.VIZ.2
Jiangmin TrojanSpy.Zbot.awbn
Webroot W32.Malware.Gen
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan[Spy]/Win32.Zbot
Arcabit Trojan.VIZ.2
ViRobot Trojan.Win32.A.Zbot.129536.W
ZoneAlarm Trojan-Spy.Win32.Zbot.bfcj
Microsoft PWS:Win32/Zbot.gen!Y
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Zbot.R3226
McAfee W32/Pinkslipbot.gen.af
VBA32 Trojan.Zeus.EA.0999
Malwarebytes Malware.Heuristic.1003
APEX Malicious
Yandex Trojan.GenAsa!Hc4b0d5ZneU
MAX malware (ai score=100)
MaxSecure Trojan.Malware.1964693.susgen
Fortinet W32/Kryptik.NAS!tr
AVG FileRepMalware
Panda Bck/Qbot.AO

How to remove Trojan-Spy.Win32.Zbot.bfcj?

  • 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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