Categories: Malware

W32/Chir-A removal tips

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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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/Chir-A virus can do?

  • Presents an Authenticode digital signature
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the shellcode get eip malware family
  • Anomalous binary characteristics

How to determine W32/Chir-A?


File Info:

name: 049A802C6D2CFFFEF2C7.mlwpath: /opt/CAPEv2/storage/binaries/672f5c5c7efbe877c7ef3860b91124f4787d1f248029e24bcf990d0531a1ab57crc32: D48E37E4md5: 049a802c6d2cfffef2c7c6a9fe900097sha1: acb1047a019e7f1be65d795e53dd5c9c1c2035f9sha256: 672f5c5c7efbe877c7ef3860b91124f4787d1f248029e24bcf990d0531a1ab57sha512: fd0b7f6dd340dd78eec4a63b0d2aa7d5f28092a64200253ddca3ac3b55e873a620b5083b713fc70ff81a93149acf2f96f40729f9df1a5d5e2246f5572d6f3316ssdeep: 12288:a5gArEmi72peZWc68liMXPI7XHgZQKhJgeCm7Dz/:a59i7WescHiMXwLHgZpJEI/type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14BF4CF52F7E19932F1B293304AB5B335DA7FBD390C23831F95246D6A38716A19A75303sha3_384: e54479d7f5b28a20d311352cfa4e963ce0b6db60e183035b3ff31f0bdef8da803e808200d7f803295adea00a86769bd3ep_bytes: 60e8e61900008b742420e80800000061timestamp: 2010-03-16 09:56:22

Version Info:

CompanyName: Microsoft CorporationFileDescription: Microsoft Office Document CacheFileVersion: 14.0.4757.1000InternalName: CacheLegalCopyright: © 2010 Microsoft Corporation. All rights reserved.LegalTrademarks1: Microsoft® is a registered trademark of Microsoft Corporation.LegalTrademarks2: Windows® is a registered trademark of Microsoft Corporation.OriginalFilename: msosync.exeProductName: Microsoft Office 2010ProductVersion: 14.0.4757.1000Translation: 0x0000 0x04e4

W32/Chir-A also known as:

Bkav W32.ChirBPE
Lionic Worm.Win32.Runouce.lk4E
Elastic malicious (high confidence)
MicroWorld-eScan Win32.Runouce.B@mm
ClamAV Win.Worm.Brontok-88
FireEye Generic.mg.049a802c6d2cfffe
CAT-QuickHeal W32.Runouce.B
Skyhigh BehavesLike.Win32.Virut.bc
McAfee W32/Chir.b@MM
Cylance unsafe
Zillya Worm.RunOnce.Win32.2
Sangfor Worm.Win32-Script.Save.Nimda
K7AntiVirus Trojan ( 00176e371 )
Alibaba Virus:Win32/Runouce.3ed7
K7GW Trojan ( 00176e371 )
Cybereason malicious.a019e7
BitDefenderTheta AI:FileInfector.F1BE214812
VirIT Win32.Runouce.D
Symantec W32.Chir.B@mm
ESET-NOD32 Win32/Chir.B
APEX Malicious
Cynet Malicious (score: 100)
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
TACHYON Virus/W32.Runouce
Emsisoft Win32.Runouce.B@mm (B)
Baidu Win32.Virus.ChineseHacker.a
F-Secure Malware.W32/Chir.B
DrWeb Win32.Runonce.6652
VIPRE Win32.Runouce.B@mm
TrendMicro PE_Chir.B
Trapmine malicious.high.ml.score
CMC Virus.Worm.Win32.Runouce.1!O
Sophos W32/Chir-A
Ikarus Email-Worm.Win32.Runouce.B
GData Win32.Worm.Runouce.A
Jiangmin Win32/cnPeace.b
Google Detected
Avira W32/Chir.B
Antiy-AVL Worm[Email]/Win32.Runouce.b
Kingsoft Win32.Type.b.6637
Xcitium EmailWorm.Win32.Runonce.~v001@1qup51
Arcabit Win32.Runouce.E2C45E
ViRobot Win32.Chir.B
ZoneAlarm HEUR:Virus.Win32.Chir.gen
Microsoft Virus:Win32/Chir.B@mm
Varist W32/Thecid.B@mm
AhnLab-V3 Win32/ChiHack.6652
VBA32 Virus.Win32.Chur.A
ALYac Win32.Runouce.B@mm
MAX malware (ai score=84)
Malwarebytes Chir.Spyware.Infostealer.DDS
Panda Generic Malware
TrendMicro-HouseCall PE_Chir.B
Rising Worm.ChineseHacker-2 (CLASSIC)
SentinelOne Static AI – Suspicious PE
MaxSecure Virus.W32.Runouce.B
Fortinet W32/Chir.C!tr
AVG Win32:Oncer [Inf]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

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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