Categories: Malware

Bulz.421225 removal guide

The Bulz.421225 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.421225 virus can do?

  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Compiles .NET code into an executable and executes it
  • Deletes executed files from disk
  • Uses csc.exe C# compiler to build and execute code
  • Uses suspicious command line tools or Windows utilities

How to determine Bulz.421225?


File Info:

name: 0D1CE557A396FE1CE55C.mlwpath: /opt/CAPEv2/storage/binaries/6531dfeb6f35e332753024cbefad1f2c16c8fae266accf427789baf6b843f63dcrc32: E2FAAA46md5: 0d1ce557a396fe1ce55c4802b66600ebsha1: 712df22fb477492d10468a68ab83f35b6c5f30a9sha256: 6531dfeb6f35e332753024cbefad1f2c16c8fae266accf427789baf6b843f63dsha512: eaaec5d6009616d446d423d6ec3af5d950571fb5c3d2120f0803f8830f1c5a7f046b07f1c1848f847cbbff326a57960d35bdcf6662d2e45ce49f4e5c1b01bfa1ssdeep: 768:QjVuNtu9y2B/Y3+vDhiMWcn4tZVQ7oej29GV9VIqNCuU+jsFOq8Uk/m:MuNtoRw3WDUvECZYos29AmZ+wFOpD/type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D8238D617309C727C56F0AF98453578143B1825BE286EE8B6CDB9ADE1DC73C14B12B87sha3_384: d838346f1953b0b7d6a8ade7ed0c2fea8cb9d9576a14149914de889a97339bf16ea45b00318f251b22c8cf58846d47e1ep_bytes: ff250020400000000000000000000000timestamp: 2015-10-11 16:13:28

Version Info:

0: [No Data]

Bulz.421225 also known as:

Bkav W32.AIDetectMalware.CS
Lionic Trojan.Win32.Blocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader17.20852
MicroWorld-eScan Gen:Variant.Bulz.421225
Skyhigh BehavesLike.Win32.Infected.ph
McAfee Artemis!0D1CE557A396
Cylance unsafe
Zillya Trojan.Blocker.Win32.32136
Sangfor Ransom.Win32.Blocker.Vigz
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.c36da49c
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Arcabit Trojan.Bulz.D66D69
BitDefenderTheta Gen:NN.ZemsilF.36680.dmW@aSmGK!n
Symantec Trojan.Gen.MBT
tehtris Generic.Malware
ESET-NOD32 MSIL/TrojanDownloader.Agent.JB
APEX Malicious
ClamAV Win.Packed.Bladabindi-6848156-0
Kaspersky Trojan-Ransom.Win32.Blocker.htwu
BitDefender Gen:Variant.Bulz.421225
NANO-Antivirus Trojan.Win32.Blocker.dydjpz
Tencent Msil.Trojan-Downloader.Ader.Rgil
Emsisoft Gen:Variant.Bulz.421225 (B)
VIPRE Gen:Variant.Bulz.421225
Sophos Mal/Generic-S
Ikarus Trojan.MSIL.Crypt
Jiangmin Trojan.Blocker.ic
Webroot W32.Trojan.GenKD
Google Detected
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Kingsoft malware.kb.c.991
Xcitium Malware@#kez848dedbgl
Microsoft Trojan:Win32/Skeeyah.A!rfn
ZoneAlarm Trojan-Ransom.Win32.Blocker.htwu
GData Gen:Variant.Bulz.421225
Cynet Malicious (score: 100)
DeepInstinct MALICIOUS
Malwarebytes Generic.Malware/Suspicious
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!rlr4IZK8K8w
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.8830034.susgen
Fortinet W32/Blocker.HTWU!tr
AVG Win32:Dropper-gen [Drp]
Cybereason malicious.fb4774
Avast Win32:Dropper-gen [Drp]

How to remove Bulz.421225?

  • 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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