Categories: Malware

W32/Koobfa-O removal guide

The W32/Koobfa-O 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 W32/Koobfa-O virus can do?

  • Sample contains Overlay data
  • Authenticode signature is invalid

How to determine W32/Koobfa-O?


File Info:

name: 4BC2680C9E0DEC82DB00.mlwpath: /opt/CAPEv2/storage/binaries/0a42de8c19572fec57fa6d27cdf2c9d0869711fabeaee636a762e75d2ee94c2bcrc32: 23473938md5: 4bc2680c9e0dec82db007b25c046bf2bsha1: 259b298ee81ab0e24560c8637b7da7a14ececb10sha256: 0a42de8c19572fec57fa6d27cdf2c9d0869711fabeaee636a762e75d2ee94c2bsha512: adf5e526d6d393058e093cb54179e52b6766e2c1b66e73692146bdeaa65556b447bef960a9772ecec0ebc2f7d8060ddb53fc1eb6ba361748a2004c7d89518bfbssdeep: 3072:zKzqVgG5LTh3rz8JYXYQMX0jq06XBeopdhDM8eVmo8LUXaYnJbcgbuJwl:ph3rzMYXh+02d1r5ZTYnJbc0type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F7E56D363D80C0B2C0A28035B1587A319DF6BC7316B59C87DF6859456EF8AF5A63B34Bsha3_384: 5fecbcc574af9de2df4962061ea7210f5b285eafa8a4505f9422f584bce5f3671287d86178e8b7889685627d9d1e4652ep_bytes: 6a606898974200e896f7ffffbf940000timestamp: 2006-12-09 03:22:09

Version Info:

0: [No Data]

W32/Koobfa-O also known as:

Lionic Trojan.Win32.Chydo.trgG
ClamAV Win.Worm.Pykspa-9869413-0
FireEye Generic.mg.4bc2680c9e0dec82
CAT-QuickHeal Trojan.MauvaiseRI.S5242932
K7AntiVirus Trojan ( 003da8d71 )
K7GW Trojan ( 003da8d71 )
CrowdStrike win/malicious_confidence_100% (W)
Baidu Win32.Worm.Autorun.o
Cyren W32/Pykspa.A.gen!Eldorado
Symantec W32.Pykspa.D
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Worm.Win32.Agent.gen
Alibaba Malware:Win32/km_28a2.None
NANO-Antivirus Trojan.Win32.Vilsel.bqgox
Rising Worm.Win32.Pykspa.a (CLASSIC)
DrWeb Trojan.Kypes
VIPRE Generic.Dacic.49348E91.A.C9E3B53D
TrendMicro TROJ_GEN.R002C0CF423
Trapmine malicious.high.ml.score
Sophos W32/Koobfa-O
Ikarus Worm.Win32.Pykspa
Antiy-AVL Worm[IM]/Win32.Chydo.clr
Xcitium Worm.Win32.Autorun.Agent_TG1@1isixd
Arcabit Generic.Dacic.49348E91.A.C9E3B53D
ZoneAlarm HEUR:Worm.Win32.Agent.gen
Google Detected
Tencent Trojan.Win32.Chydo.xa
SentinelOne Static AI – Malicious PE
Fortinet W32/Pykse.F!tr
Cybereason malicious.c9e0de
Panda Trj/Genetic.gen

How to remove W32/Koobfa-O?

  • 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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