Categories: Malware

WelcomB-B removal

The WelcomB-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 WelcomB-B virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Authenticode signature is invalid

How to determine WelcomB-B?


File Info:

name: 521D1B1B78FF18433203.mlwpath: /opt/CAPEv2/storage/binaries/2a0b419ba4bd8d15a27e1477f50f5df728954b992af5a631ed03c95e14fe2e27crc32: DDDAE26Fmd5: 521d1b1b78ff18433203f0a5ccf5c1b4sha1: 6587062f9f2165aee3ddf5bdbe12e2d062e32eb3sha256: 2a0b419ba4bd8d15a27e1477f50f5df728954b992af5a631ed03c95e14fe2e27sha512: 48865ac3f0387cbd2c2f6ba0c6b37fbde0f1133e1db830bd6735b17e6f3acfb16cd7572a8f233d22a289bd62582b6bf6a153cb561d37acba37185b51eec2f754ssdeep: 12288:0bSERqnux+lIxJXZVJnloZulM6hKeQznZXLpelSoKb85t7cNJz1wLTLPUZyOWuj5:05R+uElqVJlZlMMtQznJ6SIpc2PriZ0Ktype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14FF41212F5F4803BD562883119E27A39F3F9AC71E2798E56DB5C0C4D4E60A93C66970Fsha3_384: 43c8ef5cee45ac2a2ed8a5d63ef1816be39f8e6287dafbc399316653b899f0596caac271273728ed6e3603b015e0bd8cep_bytes: 64a100000000558bec6aff6880564100timestamp: 2002-09-10 18:10:09

Version Info:

CompanyName: FileDescription: WinImage Self Extractor fileFileVersion: 6.10.6100InternalName: WINIMAGELegalCopyright: Copyright © Gilles Vollant 1993-2002LegalTrademarks: OriginalFilename: WIMA_SFX.EXEProductName: ProductVersion: 6.10.6100Translation: 0x0409 0x04e4

WelcomB-B also known as:

Bkav W32.Common.C830A530
Skyhigh BehavesLike.Win32.BadFile.bc
McAfee Artemis!521D1B1B78FF
Alibaba Virus:Win32/WelcomB-B.622fd2c5
Avast WelcomB-B
F-Secure Malware.BOO/BUPT-C
Avira BOO/BUPT-C
GData Win32.Trojan.Agent.IIDZD4
Google Detected
Ikarus Virus.Boot.Bupt9146
MaxSecure Trojan.Malware.3411146.susgen
Fortinet W32/PossibleThreat
AVG WelcomB-B
DeepInstinct MALICIOUS

How to remove WelcomB-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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