Categories: Malware

What is “Win32/Woool.I”?

The Win32/Woool.I 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 Win32/Woool.I virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • The executable is likely packed with VMProtect
  • Uses Windows utilities for basic functionality
  • Checks for the presence of known windows from debuggers and forensic tools
  • Crashed cuckoomon during analysis. Report this error to the Github repo.

How to determine Win32/Woool.I?


File Info:

crc32: AC30BE55md5: ca04434549eef9a41792874b898733cbname: zm.exesha1: f3f848193a782d8ed779c59b4578c8e56036495csha256: ad883138c994ab983c05b1dd1c7c6da6d357f52008e8bb6394ffdb0d53b1d143sha512: d425784fe45c955ea060a2b66e0cd04c953843a6f241771f286aa6189a03d312da6bbab5da59cf0684c0107f494378c8d5dab1ecb3b7d7218010a390b3e7ecacssdeep: 49152:kiaZbB4sbij3LscSolHjNy6bS+5+xzvSJ5uJ1NZi0MRtB/B7WLd38G:vk4ZjvlDj5+xrSJ03K7RtB57Wbtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Woool.I also known as:

Bkav HW32.Packed.
DrWeb Trojan.DownLoader30.14125
MicroWorld-eScan Trojan.GenericKD.42229427
FireEye Generic.mg.ca04434549eef9a4
CAT-QuickHeal Trojan.Ditertag
Qihoo-360 HEUR/QVM16.0.BB25.Malware.Gen
McAfee GenericRXIN-MA!CA04434549EE
Malwarebytes RiskWare.GameHack
Sangfor Malware
K7AntiVirus Trojan ( 7000000f1 )
BitDefender Trojan.GenericKD.42229427
K7GW Trojan ( 7000000f1 )
Cybereason malicious.93a782
TrendMicro TROJ_GEN.R015C0PA720
BitDefenderTheta Gen:NN.ZexaF.34090.UUZ@a82UMRkb
ESET-NOD32 a variant of Win32/Woool.I
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.42229427
Kaspersky not-a-virus:HEUR:RiskTool.Win32.Generic
Alibaba Trojan:Win32/Woool.ca4a6554
NANO-Antivirus Trojan.Win32.Woool.gtmtob
Rising Trojan.Woool!8.AEB (CLOUD)
Endgame malicious (high confidence)
Sophos Mal/Generic-S
Comodo Malware@#1njtwj5xfua9a
F-Secure Heuristic.HEUR/AGEN.1044256
VIPRE Trojan.Win32.Generic!BT
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Simfect.vc
Emsisoft Trojan.GenericKD.42229427 (B)
SentinelOne DFI – Malicious PE
Cyren W32/Trojan.NVVW-3262
Jiangmin RiskTool.Generic.ojq
Avira HEUR/AGEN.1044256
Antiy-AVL RiskWare[RiskTool]/Win32.AGeneric
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Generic.D2845EB3
ZoneAlarm not-a-virus:HEUR:RiskTool.Win32.Generic
AhnLab-V3 PUP/Win32.Agent.C3455753
Acronis suspicious
VBA32 BScope.Adware.iBryte
ALYac Trojan.GenericKD.42229427
Ad-Aware Trojan.GenericKD.42229427
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R015C0PA720
Tencent Win32.Trojan.Gen.Sxea
Yandex Trojan.Woool!pl0r1Hys160
MAX malware (ai score=89)
eGambit Unsafe.AI_Score_100%
Fortinet W32/Wool.I!tr
AVG Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.12135575.susgen

How to remove Win32/Woool.I?

  • 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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