Categories: Malware

Troj/HkMain-AH removal guide

The Troj/HkMain-AH 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 Troj/HkMain-AH virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Detects Bochs through the presence of a registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempted to write directly to a physical drive
  • Attempts to modify proxy settings
  • Accessed credential storage registry keys
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Troj/HkMain-AH?


File Info:

name: EB2CA1E5865F6992DE66.mlwpath: /opt/CAPEv2/storage/binaries/2d6299ad6108e5e388201de4d4555f39d9cb0666bd8c2c17c0f5c2ae5f9a39f9crc32: 393A71DEmd5: eb2ca1e5865f6992de669475e9859f40sha1: c1a7e4e767aa4a34811faaffc244289c109fb1d4sha256: 2d6299ad6108e5e388201de4d4555f39d9cb0666bd8c2c17c0f5c2ae5f9a39f9sha512: 2a2d2d8601abbef6007b3817bb677dcf789abdcf40918292dd541884af27690cfe6517b61beff77b1b4ed19eea6ff54016d5e9d5cd2d1587bfcaa8a2475cc4bfssdeep: 3072:4gXdZt9P6D3XJcMzE6xwZd7PEdtjtNV6aOET1AX:4e34fzE6xwdIdd3H4type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T195E3029615C05D7BF6D79F305CF36BFB9BB2C08409645A0383A80FAE3D71ACAC609255sha3_384: d00714782580b41b26f217cb95df7fe0332fc6dd1c0d380da5e1fe5a42d538f17c37d6e3344db5a920565657023fb194ep_bytes: 81ec8001000053555633db57895c2418timestamp: 2009-12-05 22:50:52

Version Info:

0: [No Data]

Troj/HkMain-AH also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Zbot.l!c
MicroWorld-eScan Gen:Heur.Zboter.5
CAT-QuickHeal VirTool.CeeInject.S4
Skyhigh BehavesLike.Win32.Trojan.cc
ALYac Gen:Heur.Zboter.5
Malwarebytes Trojan.Dropper
VIPRE Gen:Heur.Zboter.5
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Gen:Heur.Zboter.5
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_70% (W)
VirIT Trojan.Win32.DownLoad3.BWRF
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 Win32/Boaxxe.BL
APEX Malicious
Kaspersky UDS:DangerousObject.Multi.Generic
Alibaba Trojan:Win32/Boaxxe.4a3a20d3
NANO-Antivirus Trojan.Win32.Zbot.cykqof
Rising HackTool.CeeInject!8.B22 (TFE:1:aniZzW8GojB)
Sophos Troj/HkMain-AH
F-Secure Trojan.TR/Dropper.Gen
DrWeb Trojan.Mayachok.18655
TrendMicro TROJ_SPNR.0BF514
Trapmine malicious.moderate.ml.score
FireEye Gen:Heur.Zboter.5
Emsisoft Gen:Heur.Zboter.5 (B)
SentinelOne Static AI – Suspicious PE
MAX malware (ai score=99)
Jiangmin TrojanSpy.Zbot.eehy
Webroot W32.Trojan.Gen
Google Detected
Avira HEUR/AGEN.1338072
Antiy-AVL Trojan[Spy]/Win32.Zbot
Microsoft VirTool:Win32/CeeInject
Xcitium TrojWare.Win32.Injector.BERH@5afjks
Arcabit Trojan.Zboter.5
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Zboter.5
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Ransomlock.R107104
McAfee Artemis!EB2CA1E5865F
DeepInstinct MALICIOUS
VBA32 BScope.Backdoor.Comet
Cylance unsafe
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_SPNR.0BF514
Tencent Win32.Trojan.Generic.Uwhl
Ikarus Virus.Win32.CeeInject
Fortinet W32/Generic.AC.20EC7D!tr
BitDefenderTheta Gen:NN.ZexaF.36792.eqZ@aiRYoxn
AVG NSIS:Dropper-IT [Drp]
Avast NSIS:Dropper-IT [Drp]

How to remove Troj/HkMain-AH?

  • 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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