Categories: Malware

Bulz.425080 (B) malicious file

The Bulz.425080 (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 Bulz.425080 (B) virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Installs itself for autorun at Windows startup
  • Checks the CPU name from registry, possibly for anti-virtualization

How to determine Bulz.425080 (B)?


File Info:

crc32: 980452E9md5: f6b80097fe9d441fb651cf68f810e9bbname: F6B80097FE9D441FB651CF68F810E9BB.mlwsha1: 216358b90b95f955bf99ba06bda269ace0ad4f26sha256: 048e07e3447c113aaae05330089da2aab121cbd9ca29f021e2c4d1c93307778csha512: 4c334698753e3b9883cd52eb0d675dc4307e1a60ca1e9089b7bf815ccb40132343bf13386994f86dcbf7c246b496ed6c5027d041c5481b174e21e358f73b5947ssdeep: 24576:Rt59il8nBo8euqOQUmP86GaXy95AdTSG/blsezTm762/v2l2XG:F9QqBo8rQUmfle5AJj/fHm762n2l2XGtype: PE32 executable (DLL) (console) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: x7248x6743x6240x6709 (C) 2001InternalName: LotvChangeFileVersion: 1, 0, 0, 1ProductName: LotvChange x5e94x7528x7a0bx5e8fProductVersion: 1, 0, 0, 1FileDescription: LotvChange Microsoft x57fax7840x7c7bx5e94x7528x7a0bx5e8fOriginalFilename: LotvChange.EXETranslation: 0x0804 0x04b0

Bulz.425080 (B) also known as:

ALYac Gen:Variant.Bulz.425080
ESET-NOD32 a variant of Win32/Kryptik.GXYG
Avast Win32:Trojan-gen
Kaspersky VHO:Backdoor.Win32.Lotok.gen
BitDefender Gen:Variant.Bulz.425080
MicroWorld-eScan Gen:Variant.Bulz.425080
Ad-Aware Gen:Variant.Bulz.425080
FireEye Gen:Variant.Bulz.425080
Emsisoft Gen:Variant.Bulz.425080 (B)
Jiangmin Backdoor.Farfli.esv
Microsoft Program:Win32/Contebrew.A!ml
Arcabit Trojan.Bulz.D67C78
GData Gen:Variant.Bulz.425080
MAX malware (ai score=82)
Malwarebytes Malware.Heuristic.1003
Rising Backdoor.Shellex!1.D217 (CLASSIC)
AVG Win32:Trojan-gen

How to remove Bulz.425080 (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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