Categories: Malware

W32/Chir-A removal

The W32/Chir-A 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 W32/Chir-A virus can do?

  • Reads data out of its own binary image
  • Authenticode signature is invalid
  • CAPE detected the shellcode get eip malware family
  • Yara detections observed in process dumps, payloads or dropped files

How to determine W32/Chir-A?


File Info:

name: BE631192EFC2ABA68B0E.mlwpath: /opt/CAPEv2/storage/binaries/b6dbe7bcbf5608ccbdca05b6aa47addae043f40ce1a6ef0407f56330f232b9a6crc32: 2C14B01Dmd5: be631192efc2aba68b0e5c8c7d7f2f33sha1: 83a3dcad32d121615270de4e7aa9da55f5700ad3sha256: b6dbe7bcbf5608ccbdca05b6aa47addae043f40ce1a6ef0407f56330f232b9a6sha512: 88347d1e035e131bce27bafc859d92f685976e0f9e96c24bdee33f9ca9388ff062aa56527d4240dac743af0b789d3851add003663369efb6797e3018d9fe06eassdeep: 3072:wNaCYfrbwgDO8Wwi81SUHFJV7VDgTMagiuy8F+0yx:wdY/wgq55cSWFJVlC9gAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T118F35B01B6E1C0B5E5EE263000F51BBA6E34ED250B3992FB9F51D83A59325909D3AF1Fsha3_384: 9f586cd4800ae808e2ee56824431a3b94a822102d3c07b5aaf9f066d69411b701850ba5ef6214f348127145c4411e26eep_bytes: 60e8e61900008b742420e80800000061timestamp: 1999-01-07 18:10:41

Version Info:

CompanyName: InstallShield Software CorporationFileDescription: PackageForTheWeb StubFileVersion: 2.04.001InternalName: STUB.EXELegalCopyright: Copyright © 1996-1999 InstallShield Software CorporationOriginalFilename: STUB32.EXEProductName: PackageForTheWeb StubProductVersion: 2.04.001Translation: 0x0409 0x04b0

W32/Chir-A also known as:

Bkav W32.ChirBPE
DrWeb Win32.Runonce.6652
MicroWorld-eScan Win32.Runouce.B@mm
FireEye Generic.mg.be631192efc2aba6
CAT-QuickHeal W32.Runouce.B
Skyhigh BehavesLike.Win32.Infected.ch
McAfee W32/Chir.b@MM
Malwarebytes Generic.Malware.AI.DDS
VIPRE Win32.Runouce.B@mm
Sangfor Worm.Win32-Script.Save.Nimda
K7AntiVirus Trojan ( 00176e371 )
K7GW Trojan ( 00176e371 )
Cybereason malicious.2efc2a
BitDefenderTheta AI:FileInfector.F1BE214812
VirIT Win32.Runouce.D
Symantec W32.Chir.B@mm
Elastic malicious (high confidence)
ESET-NOD32 Win32/Chir.B
TrendMicro-HouseCall PE_Chir.B
ClamAV Win.Worm.Brontok-88
Kaspersky HEUR:Virus.Win32.Chir.gen
BitDefender Win32.Runouce.B@mm
NANO-Antivirus Virus.Win32.Runouce.bxafx
Avast Win32:Oncer [Inf]
Tencent Worm.Win32.Runouce.d
Emsisoft Win32.Runouce.B@mm (B)
F-Secure Malware.W32/Chir.B
Baidu Win32.Virus.ChineseHacker.a
Zillya Worm.RunOnce.Win32.2
TrendMicro PE_Chir.B
Sophos W32/Chir-A
SentinelOne Static AI – Malicious PE
MAX malware (ai score=80)
Jiangmin Win32/cnPeace.b
Google Detected
Avira W32/Chir.B
Varist W32/Thecid.B@mm
Antiy-AVL Worm[Email]/Win32.Runouce.b
Kingsoft Win32.Type.b.6637
Microsoft Virus:Win32/Chir.B@mm
Xcitium EmailWorm.Win32.Runonce.~v001@1qup51
Arcabit Win32.Runouce.E2C45E
ViRobot Win32.Chir.B
ZoneAlarm HEUR:Virus.Win32.Chir.gen
GData Win32.Worm.Runouce.A
Cynet Malicious (score: 99)
AhnLab-V3 Win32/ChiHack.6652
Acronis suspicious
VBA32 Virus.Win32.Chur.A
ALYac Win32.Runouce.B@mm
TACHYON Virus/W32.Runouce
Cylance unsafe
Panda Generic Malware
Zoner Probably Heur.ExeHeaderL
Rising Worm.ChineseHacker-2 (CLASSIC)
Yandex I-Worm.Chir.B
Ikarus Email-Worm.Win32.Runouce.B
MaxSecure Virus.W32.Runouce.B
Fortinet W32/Chir.C!tr
AVG Win32:Oncer [Inf]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)
alibabacloud Virus:Win/ChineseHacker.B(dyn)

How to remove W32/Chir-A?

  • 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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