Worm.WormBuilder

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Worm.WormBuilder malware detection means that your computer is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.
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Worm.WormBuilder detection is a virus detection you can spectate in your system. It often appears after the preliminary actions on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from untrustworthy sources. From the instance it appears, you have a short time to take action before it starts its malicious activity. And be sure – it is far better not to await these malicious actions.

What is Worm.WormBuilder virus?

Worm.WormBuilder is ransomware-type malware. It searches for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus additionally does a lot of harm to your system. It alters the networking settings in order to prevent you from looking for the elimination articles or downloading the anti-malware program. Sometimes, Worm.WormBuilder can even prevent the launching of anti-malware programs.

Worm.WormBuilder Summary

Summarizingly, Worm.WormBuilder malware actions in the infected system are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Ciphering the files located on the target’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more damaging virus for both individual users and businesses. The algorithms utilized in Worm.WormBuilder (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these horrible things immediately – it may require up to a few hours to cipher all of your documents. Thus, seeing the Worm.WormBuilder detection is a clear signal that you should begin the removal process.

Where did I get the Worm.WormBuilder?

General methods of Worm.WormBuilder injection are usual for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a pretty modern tactic in malware spreading – you get the e-mail that simulates some routine notifications about deliveries or bank service conditions changes. Inside of the email, there is a malicious MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks quite simple, however, still needs tons of attention. Malware can hide in various spots, and it is far better to prevent it even before it gets into your PC than to rely upon an anti-malware program. Simple cybersecurity awareness is just an essential item in the modern world, even if your relationship with a PC stays on YouTube videos. That may keep you a great deal of money and time which you would spend while searching for a fix guide.

Worm.WormBuilder malware technical details

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:

BkavW32.AIDetectNet.01
Elasticmalicious (high confidence)
MicroWorld-eScanIL:Trojan.MSILZilla.19034
FireEyeGeneric.mg.249d854ef7d753d4
CylanceUnsafe
CrowdStrikewin/malicious_confidence_70% (D)
CyrenW32/MSIL_Agent.DEM.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Agent.AD
APEXMalicious
KasperskyHEUR:Trojan.MSIL.Fsysna.gen
BitDefenderIL:Trojan.MSILZilla.19034
AvastWin32:RansomX-gen [Ransom]
Ad-AwareIL:Trojan.MSILZilla.19023
DrWebTrojan.Siggen12.43157
McAfee-GW-EditionBehavesLike.Win32.Generic.th
SophosGeneric ML PUA (PUA)
GDataIL:Trojan.MSILZilla.19034
MAXmalware (ai score=85)
ZoneAlarmHEUR:Trojan.MSIL.Fsysna.gen
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
MalwarebytesWorm.WormBuilder
SentinelOneStatic AI – Malicious PE
FortinetMSIL/Agent.DNI!worm
BitDefenderThetaGen:NN.ZemsilCO.34638.fn3@aqQEB!
AVGWin32:RansomX-gen [Ransom]

How to remove Worm.WormBuilder?

Worm.WormBuilder malware is extremely hard to delete manually. It puts its files in multiple places throughout the disk, and can restore itself from one of the parts. Furthermore, countless alterations in the windows registry, networking setups and Group Policies are really hard to find and revert to the original. It is far better to utilize a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for virus elimination goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. Moreover, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for getting rid of malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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