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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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:

ClamAV Win.Trojan.Bupt-3
Skyhigh Artemis
McAfee Artemis!521D1B1B78FF
Alibaba Virus:Win32/WelcomB-B.622fd2c5
Avast WelcomB-B
F-Secure Malware.BOO/BUPT-C
Ikarus Virus.Boot.Bupt9146
Google Detected
Avira BOO/BUPT-C
GData Win32.Trojan.Agent.IIDZD4
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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