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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.

6-day free trial available.

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.mlw
path: /opt/CAPEv2/storage/binaries/0a42de8c19572fec57fa6d27cdf2c9d0869711fabeaee636a762e75d2ee94c2b
crc32: 23473938
md5: 4bc2680c9e0dec82db007b25c046bf2b
sha1: 259b298ee81ab0e24560c8637b7da7a14ececb10
sha256: 0a42de8c19572fec57fa6d27cdf2c9d0869711fabeaee636a762e75d2ee94c2b
sha512: adf5e526d6d393058e093cb54179e52b6766e2c1b66e73692146bdeaa65556b447bef960a9772ecec0ebc2f7d8060ddb53fc1eb6ba361748a2004c7d89518bfb
ssdeep: 3072:zKzqVgG5LTh3rz8JYXYQMX0jq06XBeopdhDM8eVmo8LUXaYnJbcgbuJwl:ph3rzMYXh+02d1r5ZTYnJbc0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F7E56D363D80C0B2C0A28035B1587A319DF6BC7316B59C87DF6859456EF8AF5A63B34B
sha3_384: 5fecbcc574af9de2df4962061ea7210f5b285eafa8a4505f9422f584bce5f3671287d86178e8b7889685627d9d1e4652
ep_bytes: 6a606898974200e896f7ffffbf940000
timestamp: 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?

W32/Koobfa-O removal tool

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.

About the author

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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