Categories: Malware

Bulz.315998 (B) removal tips

The Bulz.315998 (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.315998 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Anomalous .NET characteristics
  • Uses Windows utilities for basic functionality
  • Sniffs keystrokes
  • Created a process from a suspicious location
  • Creates a copy of itself
  • Creates known Njrat/Bladabindi RAT registry keys

How to determine Bulz.315998 (B)?


File Info:

name: B486A6A38E5CF2C05340.mlwpath: /opt/CAPEv2/storage/binaries/cfb7be8ca68ae5764fc7388c7de981c32d2bf7f3340cf857e1d877b931cdfbfdcrc32: DA25E104md5: b486a6a38e5cf2c0534098855a30e16csha1: 927eae777aebfcc9055849fb763ebf4e1fe3a8aesha256: cfb7be8ca68ae5764fc7388c7de981c32d2bf7f3340cf857e1d877b931cdfbfdsha512: ac60e009da64204ea4fc38eefd75b023a3d1af2a7ccd42c497f9f4ccd8a1098e20f922e56125bf6cc720f003c653a75d455a84ea85d627a87933361f4e61ec95ssdeep: 1536:13KZ//57hP/9m71HOOJo7U6RNu683vL0peOf7CXZ:136r381Jo3u6w7Dtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13F732A5EBB62E944CD4C0F77C557F48842E9A7A7F423F23F91C41DA32D32889864BA90sha3_384: 07b7c0cf9db61bba8f4ef92d18cda809f7d7bbb3de8a251fa6baae30bfae033e56e3d711203c14541c6744dfc8e65df8ep_bytes: ff250020400000000000000000000000timestamp: 2021-12-10 10:14:03

Version Info:

0: [No Data]

Bulz.315998 (B) also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Bulz.315998
ALYac Gen:Variant.Bulz.315998
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 700000121 )
K7AntiVirus Trojan ( 700000121 )
Baidu MSIL.Backdoor.Bladabindi.a
Cyren W32/MSIL_Bladabindi.FB.gen!Eldorado
Symantec MSIL.Trojan!gen2
ESET-NOD32 a variant of MSIL/Bladabindi.BG
APEX Malicious
ClamAV Win.Packed.Bladabindi-6917466-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Bulz.315998
Ad-Aware Gen:Variant.Bulz.315998
Comodo TrojWare.MSIL.Bladabindi.BGS@7lngf6
DrWeb BackDoor.BladabindiNET.19
McAfee-GW-Edition BehavesLike.Win32.Generic.lm
FireEye Generic.mg.b486a6a38e5cf2c0
Emsisoft Gen:Variant.Bulz.315998 (B)
Ikarus Trojan.MSIL.Bladabindi
GData Gen:Variant.Bulz.315998
Jiangmin Trojan/Refroso.dep
Avira TR/Dropper.Gen7
Arcabit Trojan.Bulz.D4D25E
Microsoft Backdoor:MSIL/Bladabindi.AL
Cynet Malicious (score: 100)
Acronis suspicious
McAfee BackDoor-FDNN!B486A6A38E5C
MAX malware (ai score=80)
Malwarebytes Backdoor.Bladabindi
Rising Backdoor.Njrat!1.9E49 (CLASSIC)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet MSIL/Bladabindi.Q!tr
BitDefenderTheta Gen:NN.ZemsilF.34084.emW@am6l@7f
AVG Win32:RATX-gen [Trj]
Avast Win32:RATX-gen [Trj]

How to remove Bulz.315998 (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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