Categories: Backdoor

How to remove “Backdoor:Win32/CobaltStrike.BK!dha”?

The Backdoor:Win32/CobaltStrike.BK!dha 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 Backdoor:Win32/CobaltStrike.BK!dha virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Anomalous binary characteristics

How to determine Backdoor:Win32/CobaltStrike.BK!dha?


File Info:

crc32: CF04ADD2md5: 685e7e60d60a9fef02f6c96bb4be6c58name: 685E7E60D60A9FEF02F6C96BB4BE6C58.mlwsha1: 8f1489ca3f5e934e36312ac906b62c2a517e3dcfsha256: e32b60bedf755adbcbfafc474be2d726b1ec657278d8e99026868a67bdbfb6f3sha512: 826d6c84ba1c6dd114003a89681cbe31d5d4fde6f8d7934b1b5b7e97d06e8afbcfa4081af2a9c41bd21aba4f615cc67aaa8527ff10fdb7316044b701d5a20ca2ssdeep: 192:uHSykZahxHn9QgyBtX4SR4wefaNEqoRK/SjN7AGY:KSykyDyLXrRwaNryAptype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/CobaltStrike.BK!dha also known as:

Bkav W32.FamVT.TiggreKI.Trojan
K7AntiVirus Trojan ( 004cd8391 )
Lionic Trojan.Win32.Generic.lZpe
Elastic malicious (high confidence)
DrWeb Trojan.Swrort.41
Cynet Malicious (score: 100)
ALYac Trojan.CobaltStrike.FM
Cylance Unsafe
Zillya Trojan.Rozena.Win32.46773
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Backdoor:Win32/Cobalt.c8f138da
K7GW Trojan ( 004cd8391 )
Cybereason malicious.0d60a9
Cyren W32/Rozena.K.gen!Eldorado
Symantec Backdoor.Rozena
ESET-NOD32 a variant of Win32/Rozena.WZ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Cobalt.a
BitDefender Trojan.CobaltStrike.FM
NANO-Antivirus Trojan.Win32.TrjGen.eegfaz
ViRobot Trojan.Win32.Agent.14336.DF
MicroWorld-eScan Trojan.CobaltStrike.FM
Tencent Malware.Win32.Gencirc.10b3c36c
Ad-Aware Trojan.CobaltStrike.FM
Sophos ML/PE-A + Troj/Swrort-CG
Comodo TrojWare.Win32.Kryptik.BYGK@59ple7
McAfee-GW-Edition BackDoor-FDRT!685E7E60D60A
FireEye Generic.mg.685e7e60d60a9fef
Emsisoft Trojan.CobaltStrike.FM (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Generic.yke
Avira TR/Crypt.XPACK.Gen7
Antiy-AVL Trojan/Generic.ASMalwS.18D8F6D
Microsoft Backdoor:Win32/CobaltStrike.BK!dha
Gridinsoft Trojan.Win32.Agent.vb!s1
Arcabit Trojan.CobaltStrike.FM
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan.Mexec.B
TACHYON Trojan/W32.Agent.14336.UN
AhnLab-V3 Trojan/Win32.Swrort.R270227
McAfee BackDoor-FDRT!685E7E60D60A
MAX malware (ai score=86)
VBA32 Trojan.CobaltStrike
Malwarebytes Generic.Trojan.Malicious.DDS
TrendMicro-HouseCall TROJ_GEN.R002C0CJ421
Rising Trojan.Swrort!1.BAB0 (CLASSIC)
Yandex Trojan.GenAsa!zvVdoDjE9iw
Ikarus Trojan.Win32.Swrort
Fortinet W32/Rozena.WZ!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Backdoor:Win32/CobaltStrike.BK!dha?

  • 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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