About “Worm.WormBuilder” infection

The Worm.WormBuilder 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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 Worm.WormBuilder virus can do?

Dynamic (imported) function loading detected
CAPE extracted potentially suspicious content
Authenticode signature is invalid
Binary compilation timestomping detected

How to determine Worm.WormBuilder?


File Info:
name: 249D854EF7D753D4EB04.mlw
path: /opt/CAPEv2/storage/binaries/8600a24d07871b634dfbcbffe3407b249b57f8e16cb2d0867f9885997a6303e6
crc32: 1624F3B3
md5: 249d854ef7d753d4eb049c9042fd4ad5
sha1: 9072e45c404431494d80823852d8ebce04974abc
sha256: 8600a24d07871b634dfbcbffe3407b249b57f8e16cb2d0867f9885997a6303e6
sha512: 2dc5578dbb2508b3b34e510038e94eeb1bbf330ce7681e92e7d26c548cffc8697fd48a312fbf6c4be21551d6c9fe1bfd28835839cd50119c876a4b25dafd36da
ssdeep: 24576:0VX39gfVXKVXKVXKVX/0VXPtyFj4XtyFj4JJ9g+tyFj4:0VMVaVaVaV8V+jpjLj
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T17535BE223AE4C0B7D29606309ADC6BB2B1FAEB590F110DC723845B5D5F31DD5D339A2A
sha3_384: 55ce9a2d03b9a89de77410735340fc1559b67ce438d59fdd2c316a0e8ab123a1501298ac70abde6f4739cb6e57255ec9
ep_bytes: ff250020400000000000000000000000
timestamp: 2075-06-25 04:13:58

Version Info:
Translation: 0x0000 0x04b0
Comments: 
CompanyName: 
FileDescription: Wormyfier
FileVersion: 1.0.0.0
InternalName: Wormyfier.exe
LegalCopyright: Copyright ©  2022
LegalTrademarks: 
OriginalFilename: Wormyfier.exe
ProductName: Wormyfier
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

Worm.WormBuilder also known as:

Bkav	W32.AIDetectNet.01
Elastic	malicious (high confidence)
MicroWorld-eScan	IL:Trojan.MSILZilla.19034
FireEye	Generic.mg.249d854ef7d753d4
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_70% (D)
Cyren	W32/MSIL_Agent.DEM.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Agent.AD
APEX	Malicious
Kaspersky	HEUR:Trojan.MSIL.Fsysna.gen
BitDefender	IL:Trojan.MSILZilla.19034
Avast	Win32:RansomX-gen [Ransom]
Ad-Aware	IL:Trojan.MSILZilla.19023
DrWeb	Trojan.Siggen12.43157
McAfee-GW-Edition	BehavesLike.Win32.Generic.th
Sophos	Generic ML PUA (PUA)
GData	IL:Trojan.MSILZilla.19034
MAX	malware (ai score=85)
ZoneAlarm	HEUR:Trojan.MSIL.Fsysna.gen
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
Cynet	Malicious (score: 100)
Malwarebytes	Worm.WormBuilder
SentinelOne	Static AI – Malicious PE
Fortinet	MSIL/Agent.DNI!worm
BitDefenderTheta	Gen:NN.ZemsilCO.34638.fn3@aqQEB!
AVG	Win32:RansomX-gen [Ransom]

How to remove Worm.WormBuilder?

Worm.WormBuilder removal tool

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.

About the author

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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