Categories: Malware

Bulz.731439 removal

The Bulz.731439 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 Bulz.731439 virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • A scripting utility was executed
  • Checks for the presence of known windows from debuggers and forensic tools
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • The following process appear to have been packed with Themida: wwl.exe, wwi.exe
  • Network activity detected but not expressed in API logs
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

How to determine Bulz.731439?


File Info:

crc32: E9BC2548md5: 63fe4796434aad20a0ccbb0944ea0f02name: 63FE4796434AAD20A0CCBB0944EA0F02.mlwsha1: b50e0785766322e20e8d1afef0d9f5e99cbffdc8sha256: 13d8d9a03df3f510c71149a3c9ccaa4570172e45b34463d16e85a008a57469bfsha512: eae6cfa9d351958aee75d6f61518fe5446676a13c8b14bd90174bfb34880ebfb1c5d64baab54097850e0979c1926708e52e7356249aa611c8cc6d52c7d584eacssdeep: 98304:yuClpTFTdkyIgBi3+XbH5NnvJVkzO/6hpmCeqOu7sIf7UxdMVbIa9PBYXUm2Qs5:GFqNgBiuXbH5rihICx7BIxdMJIa9iUm4type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (C) Software Inc.InternalName: Incirim NolweasFileVersion: 4.5.23.2LegalTrademarks: SoftwareComments: Left Hook DelivFileDescription: Make Descision SoftTranslation: 0x0409 0x04e4

Bulz.731439 also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005826bf1 )
Lionic Trojan.MSIL.Reline.i!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Razy.912163
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (W)
Alibaba TrojanPSW:MSIL/Reline.aff2c7e9
K7GW Trojan ( 005826bf1 )
Cybereason malicious.576632
Cyren W32/Reline.B.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Themida.HYR
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-PSW.MSIL.Reline.hiy
BitDefender Gen:Variant.Bulz.731439
MicroWorld-eScan Gen:Variant.Bulz.731439
Ad-Aware Gen:Variant.Bulz.731439
Sophos Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Browser.tc
FireEye Generic.mg.63fe4796434aad20
Emsisoft Gen:Variant.Razy.912163 (B)
Avira TR/RedLine.igrcw
Kingsoft Win32.PSWTroj.Undef.(kcloud)
Microsoft Trojan:Win32/Sabsik.FL.A!ml
GData MSIL.Trojan-Stealer.Redline.H4C2O6
AhnLab-V3 Trojan/Win.Generic.R441806
McAfee Artemis!63FE4796434A
MAX malware (ai score=87)
VBA32 BScope.Backdoor.Agent
Malwarebytes Trojan.Downloader
Rising Trojan.IPLogger/NSIS!1.C696 (CLASSIC)
Ikarus Trojan.Win32.Themida
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Bulz.731439?

  • 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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