Categories: Malware

Bulz.282373 removal tips

The Bulz.282373 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.282373 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Attempts to identify installed AV products by installation directory
  • Anomalous binary characteristics

How to determine Bulz.282373?


File Info:

name: F8531532744381029673.mlwpath: /opt/CAPEv2/storage/binaries/c0ba16373d138d70b8192730a5881fd43095e59ae33661e0643cec1dc3715eb9crc32: B75B0055md5: f85315327443810296735618eafb1113sha1: e706feebae0e2df00c03870b09b641d10eae1893sha256: c0ba16373d138d70b8192730a5881fd43095e59ae33661e0643cec1dc3715eb9sha512: 3bd65045383eecf3b06a706c3af53cbb4edbdef1e461d6d85ef2b9e71b7f3048c9a1e3b90df6adf792536f98ce5dd1b965b51ea85caf6f41be1c079131942acessdeep: 196608:xeFA6hrHej32E4mHrZRwMiUUqcnoE6ppIIngmBIWYGqPIBq:gu6pHMD4mHrfwMiU+SppIsgmbqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10C963346594E8522C443CEBD917322B05D1FFD349826E45EBE2EC6878F3722CDB65B0Asha3_384: 8701fa62d8f2b1a5b46442e64de02e3ffc79215fd5438402953cb7ca19873b9006bb31ec7aaaabfcf81c7f8878927eabep_bytes: 558bec83c4c453565733c08945f08945timestamp: 2020-12-11 17:44:51

Version Info:

Comments: This installation was built with Inno Setup.CompanyName: FileDescription: Hunspell (http://hunspell.github.io/) by Laszlo Nemeth FileVersion: 1.5.4.0 LegalCopyright: ProductName: AQOptimizer ProductVersion: 1.5.4.0 Translation: 0x0000 0x04b0

Bulz.282373 also known as:

Lionic Trojan.Win32.Ekstak.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Bulz.282373
FireEye Gen:Variant.Bulz.282373
McAfee Artemis!F85315327443
Sangfor Trojan.Win32.Ekstak.gen
Alibaba Trojan:Win32/Ekstak.b774d4fd
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Cyren W32/Agent.CEX.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/TrojanDropper.Agent.SLY
TrendMicro-HouseCall TROJ_GEN.R002C0GKK21
Kaspersky HEUR:Trojan.Win32.Ekstak.gen
BitDefender Gen:Variant.Bulz.282373
APEX Malicious
Tencent Win32.Trojan-dropper.Agent.Eddj
Ad-Aware Gen:Variant.Bulz.282373
Sophos Mal/Generic-S
DrWeb Trojan.Zadved.1661
Zillya Trojan.Ekstak.Win32.57534
TrendMicro TROJ_GEN.R002C0GKK21
McAfee-GW-Edition BehavesLike.Win32.Dropper.rc
Emsisoft Gen:Variant.Bulz.282373 (B)
GData Gen:Variant.Bulz.282373
Jiangmin Trojan.Ekstak.bnvr
Webroot W32.Malware.Gen
Avira TR/Ekstak.xpsfb
MAX malware (ai score=88)
Microsoft Trojan:Win32/Wacatac.B!ml
AhnLab-V3 PUP/Win32.DownloadAssistant.R358754
VBA32 Trojan.Zadved
ALYac Gen:Variant.Bulz.282373
Malwarebytes Adware.DownloadAssistant
Avast Win32:AdwareX-gen [Adw]
Ikarus Trojan.Win32.Crypt
Fortinet PossibleThreat.MU
AVG Win32:AdwareX-gen [Adw]
Cybereason malicious.274438
Panda Trj/Genetic.gen

How to remove Bulz.282373?

  • 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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