Categories: Malware

Bulz.405257 removal instruction

The Bulz.405257 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.405257 virus can do?

  • Anomalous binary characteristics

How to determine Bulz.405257?


File Info:

crc32: EF852B7Cmd5: 7d71998cd629c49c7daddaf4f90d8d97name: 7D71998CD629C49C7DADDAF4F90D8D97.mlwsha1: 95e9f5d7e64b098d3d88e87657090657d2146fdcsha256: 5440d2a24b0082347d9592a59e280af8f0a16d318632e987a0b4af231ea311cbsha512: 24da49a74d5df2ec509b9a07b6990bdd36336795f8ec7df96caac86801d7a092be4c463fe7d08ccc4fa6f326f1e470d4925dec29ddd5133be0413d3cba95cfe9ssdeep: 192:RDMAe4Ckj19RZZ6wpSfu1bKcq5uHj7khBDSeKNH45yB//lFlFlsBUbOj6kxiY:RDMAoKz6WtKEj7aBDi0YrrsbAYtype: PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Bulz.405257 also known as:

CyrenCloud W64/Ulise.BW.gen!Eldorado
Elastic malicious (high confidence)
DrWeb Exploit.ShellCode.46
Malwarebytes Generic.Trojan.Malicious.DDS
Zillya Tool.CobaltStrike.Win64.273
CrowdStrike win/malicious_confidence_100% (W)
Cybereason malicious.cd629c
Cyren W64/Ulise.BW.gen!Eldorado
Symantec Backdoor.Cobalt!gen1
ESET-NOD32 a variant of Win64/RiskWare.CobaltStrike.Artifact.A
APEX Malicious
Avast Win64:Malware-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Bulz.405257
Tencent Malware.Win32.Gencirc.10ce3ce7
Ad-Aware Gen:Variant.Bulz.405257
Sophos ML/PE-A + ATK/Cobalt-A
TrendMicro Backdoor.Win64.COBEACON.SMA
McAfee-GW-Edition Cobalt-EVTS!7D71998CD629
FireEye Generic.mg.7d71998cd629c49c
F-Prot W64/Ulise.BW.gen!Eldorado
Jiangmin Trojan.Generic.fsibr
Avira HEUR/AGEN.1139243
Gridinsoft Trojan.Win64.Agent.oa!s1
Arcabit Trojan.Bulz.D62F09
ZoneAlarm HEUR:Trojan.Win32.Generic
AhnLab-V3 Malware/Win64.RL_Generic.R360995
McAfee Cobalt-EVTS!7D71998CD629
TrendMicro-HouseCall Backdoor.Win64.COBEACON.SMA
Rising Trojan.Shelma!8.1A3D (TFE:dGZlOgUdUGSTryxFyw)
Yandex Trojan.GenAsa!ZICJWVi3Ujg
Ikarus Trojan-Downloader.Win64.Agent
eGambit Unsafe.AI_Score_97%
Fortinet W64/Agent.CY!tr
AVG Win64:Malware-gen
Paloalto generic.ml

How to remove Bulz.405257?

  • 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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