Categories: Malware

Bulz.51555 information

The Bulz.51555 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.51555 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to mimic the file extension of a Word 97-2003 document by having ‘doc’ in the file name.
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Harvests credentials from local FTP client softwares
  • Anomalous binary characteristics

How to determine Bulz.51555?


File Info:

crc32: 5ACD7710md5: 9937565f0c0b6658fee521ef9828babaname: INVOICE & AWB_doc.exesha1: 02b698bb7187990d1cb99cb4a9424d706ac0520asha256: 463bb6840c11c5fe503539176cb0eb53623b6096ab4608619c7244b832ebbcadsha512: 6d357a55de29263b727fede44beec0dad0e345d53a5167be09cf482869d629214837b214e6bc3e1315eefbf2b2e07ed1ff8ed1322d5d7b101203a1e31b54c898ssdeep: 12288:LgftlTxIDJRRtYRNeuawx2+8zVQLlcqPTxUHYY3UmNUSKhZjaa87HLxG/9Z9pIxg:Lg1JxIwP5YxaZ0dD6SQeaOrxGlZ9Wxgtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Bulz.51555 also known as:

Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Bulz.51555
FireEye Generic.mg.9937565f0c0b6658
K7AntiVirus Trojan ( 0056c99c1 )
K7GW Trojan ( 0056c99c1 )
Cybereason malicious.b71879
Invincea heuristic
Symantec Infostealer.Lokibot!43
APEX Malicious
GData Gen:Variant.Bulz.51555
Kaspersky HEUR:Trojan.Win32.Kryptik.gen
BitDefender Gen:Variant.Bulz.51555
Paloalto generic.ml
Ad-Aware Gen:Variant.Bulz.51555
F-Secure Heuristic.HEUR/AGEN.1121831
DrWeb Trojan.PWS.Stealer.29093
Cyren W32/Injector.ORWQ-3620
Avira HEUR/AGEN.1121831
ZoneAlarm HEUR:Trojan.Win32.Kryptik.gen
Microsoft Trojan:Win32/Wacatac.C!ml
Cynet Malicious (score: 100)
AhnLab-V3 Suspicious/Win.Delphiless.X2091
McAfee Fareit-FPQ!9937565F0C0B
MAX malware (ai score=85)
Malwarebytes Trojan.MalPack
ESET-NOD32 a variant of Win32/Injector.ENAI
Rising Trojan.GenKryptik!8.AA55 (CLOUD)
Ikarus Trojan.Inject
Fortinet W32/Injector.EMZL!tr
BitDefenderTheta Gen:NN.ZelphiF.34152.0GW@ai2PgOpi
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_70% (W)

How to remove Bulz.51555?

  • 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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