Categories: Malware

How to remove “Bulz.723900 (B)”?

The Bulz.723900 (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.723900 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Starts servers listening on 127.0.0.1:0
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Collects and encrypts information about the computer likely to send to C2 server

How to determine Bulz.723900 (B)?


File Info:

name: B47618861BDC947C7445.mlwpath: /opt/CAPEv2/storage/binaries/f1fc51e48fa374b23390cf0341fb743fdf5c37cf1899b9b6c0df0ba680f1a882crc32: 8BAD9CC2md5: b47618861bdc947c7445d18e29d66948sha1: 6a0c1d2c6862e238e626204eab93d5564445aadbsha256: f1fc51e48fa374b23390cf0341fb743fdf5c37cf1899b9b6c0df0ba680f1a882sha512: 894bc9694211a4034f91ff10e9ab1a40fddb5fa4fa5e5f4faedaa97863fe0dbd7366ee28946c8cbb613d03088aaceb62beb8afbf544401b21dafe8dbf1ba46dfssdeep: 24576:1AfXUwsklujnGPTpiHt/6KvAnjGvzRcVklvgGc2NZPEN/2tzfElm52jtukg16Zn:mfkMlInaTpiN/6Kv+GvsklvgGhFcdOutype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14B160C026787869AC32DF33C97BE877B06D39D1155B1DACEECE232D507F02523A5684Asha3_384: 3e3ad592f278a484cb8cb6a8c64797e8cd823c8660a59fcc6f85ecaed3b03ec5e33ac3632f5e63872edb7ce50f854495ep_bytes: ff250020400000000000000000000000timestamp: 2021-12-07 12:11:43

Version Info:

Translation: 0x0000 0x04b0Comments: Chương trình quản lý câu hỏi và tạo đề thi soạn theo LaTeX cùng nhiều chức năng khác.CompanyName: My HomeFileDescription: MyLT 2021FileVersion: 1.0.2.34InternalName: MyLT.exeLegalCopyright: Binh Le © 2018OriginalFilename: MyLT.exeProductName: MyLT 2021ProductVersion: 1.0.2.34Assembly Version: 1.0.2.34

Bulz.723900 (B) also known as:

Lionic Trojan.Win32.Bulz.4!c
MicroWorld-eScan Gen:Variant.Bulz.723900
FireEye Gen:Variant.Bulz.723900
ALYac Gen:Variant.Bulz.723900
BitDefender Gen:Variant.Bulz.723900
Avast Win32:Malware-gen
Ad-Aware Gen:Variant.Bulz.723900
McAfee-GW-Edition Artemis
Emsisoft Gen:Variant.Bulz.723900 (B)
GData Gen:Variant.Bulz.723900
Gridinsoft Ransom.Win32.Wacatac.sa
Arcabit Trojan.Bulz.DB0BBC
Microsoft Program:Win32/Uwamson.A!ml
McAfee Artemis!B47618861BDC
MAX malware (ai score=82)
TrendMicro-HouseCall TROJ_GEN.R002H09L721
Fortinet PossibleThreat
AVG Win32:Malware-gen

How to remove Bulz.723900 (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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