Categories: Malware

Win32/Chir.B removal instruction

The Win32/Chir.B 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 Win32/Chir.B virus can do?

  • Executable code extraction
  • Injection with CreateRemoteThread in a remote process
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Code injection with CreateRemoteThread in a remote process
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Likely virus infection of existing system binary
  • Anomalous binary characteristics

Related domains:

ilo.brenz.pl
gfvoin.com
vythfz.com
uzhsvs.com
yjyowf.com
ant.trenz.pl
oneyrg.com
uyiver.com
kpishl.com
uaihup.com
yajivi.com
uvziir.com
nybgql.com
bizywh.com
vavazo.com
ditook.com
hnkokl.com
mnawit.com
zayonu.com
ycnkkg.com
uesbfx.com
nuquho.com
reobyi.com
odoyjy.com
upqyag.com
kctoqg.com
hssifi.com
gbaetl.com
oppnuq.com
etrhxl.com
hpqahp.com
vulahx.com
ysbaer.com

How to determine Win32/Chir.B?


File Info:

crc32: 67C4F630md5: d3430e1d3afede62c655d969926a9f0aname: D3430E1D3AFEDE62C655D969926A9F0A.mlwsha1: 2dfbbf6291978440ea6ea63a723b9be9b6e49ac1sha256: 35a121381a34f570662cca9ebc9a973b80c15eff92db54694bffa95d4d24b8cesha512: 5f187a05db2ed3f0ad3f07ff38cc06aeb28887223bffacc9679f7b7c940cbd38e4a80e300bd373d11b59defbd039efe796182cf66262ebad82da2b874c077dfassdeep: 24576:XCUxLOUSlplLyqBnPN3TQVCH9gijpMtQoCnpUkP45pP9XuQ1G3UzNU3:ylUSlKqZtH9vlGQ7npUkPCd9bz2type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (C) 2015 philandro Software GmbHFileVersion: 1.2.3.0CompanyName: philandro Software GmbHProductName: AnyDeskProductVersion: 1.2FileDescription: AnyDeskTranslation: 0x0000 0x04e4

Win32/Chir.B also known as:

Bkav W32.ChirBPE
Elastic malicious (high confidence)
DrWeb Win32.Runonce.6652
Cynet Malicious (score: 100)
CMC Virus.Worm.Win32.Runouce.1!O
CAT-QuickHeal W32.Virut.Cur1
ALYac Win32.Runouce.B@mm
Cylance Unsafe
Sangfor Win.Worm.Brontok-88
CrowdStrike win/malicious_confidence_100% (W)
Alibaba virus:Win32/InfectPE.ali2000007
K7GW Trojan ( 00176e371 )
K7AntiVirus Trojan ( 00176e371 )
Baidu Win32.Virus.ChineseHacker.a
Cyren W32/Thecid.B@mm
Symantec W32.Chir.B@mm
ESET-NOD32 Win32/Chir.B
APEX Malicious
Avast Win32:Oncer [Inf]
ClamAV Win.Worm.Brontok-88
Kaspersky Email-Worm.Win32.Runouce.b
BitDefender Win32.Runouce.B@mm
NANO-Antivirus Virus.Win32.Runouce.bxafx
ViRobot Win32.Chir.B
MicroWorld-eScan Win32.Runouce.B@mm
Tencent Worm.Win32.Runouce.d
Ad-Aware Win32.Runouce.B@mm
Sophos ML/PE-A + W32/Chir-B
Comodo Virus.Win32.Virut.CE@5jedjj
BitDefenderTheta AI:FileInfector.F1BE214812
VIPRE Virus.Win32.Chir.c (v)
TrendMicro PE_Chir.B
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.d3430e1d3afede62
Emsisoft Win32.Runouce.B@mm (B)
SentinelOne Static AI – Malicious PE
Jiangmin Win32/cnPeace.b
Avira W32/Chir.B
eGambit Unsafe.AI_Score_99%
Microsoft Virus:Win32/Chir.B@mm
Gridinsoft Trojan.Heur!.032120A1
Arcabit Win32.Runouce.E2C45E
GData Win32.Virus.Chir.A
TACHYON Virus/W32.Runouce
AhnLab-V3 Win32/ChiHack.6652
McAfee W32/Chir.b@MM
MAX malware (ai score=82)
VBA32 Virus.Win32.Chur.A
Malwarebytes Chir.Virus.FileInfector.DDS
Panda Generic Malware
TrendMicro-HouseCall PE_Chir.B
Rising Worm.ChineseHacker-2 (CLASSIC)
Yandex I-Worm.Chir.B
Ikarus Email-Worm.Win32.Runouce.B
MaxSecure Virus.Virut.CE
Fortinet W32/Chir.B@mm
AVG Win32:Oncer [Inf]
Paloalto generic.ml

How to remove Win32/Chir.B?

  • 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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