What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the TrojanDownloader:Win32/Waledac.C detection usually means that your system is in big danger. This virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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TrojanDownloader:Win32/Waledac.C detection is a virus detection you can spectate in your system. It usually shows up after the provoking procedures on your computer – opening the dubious email, clicking the advertisement in the Web or setting up the program from untrustworthy sources. From the second it appears, you have a short time to act before it begins its harmful action. And be sure – it is better not to await these destructive actions.

What is TrojanDownloader:Win32/Waledac.C virus?

TrojanDownloader:Win32/Waledac.C is ransomware-type malware. It searches for the files on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus also does a lot of harm to your system. It changes the networking setups in order to avoid you from reading the elimination guidelines or downloading the antivirus. In rare cases, TrojanDownloader:Win32/Waledac.C can also prevent the launching of anti-malware programs.

TrojanDownloader:Win32/Waledac.C Summary

In summary, TrojanDownloader:Win32/Waledac.C virus activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents located on the target’s drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is difficult to picture a more damaging malware for both individuals and businesses. The algorithms used in TrojanDownloader:Win32/Waledac.C (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these bad things immediately – it can take up to several hours to cipher all of your files. Hence, seeing the TrojanDownloader:Win32/Waledac.C detection is a clear signal that you should start the elimination procedure.

Where did I get the TrojanDownloader:Win32/Waledac.C?

Common methods of TrojanDownloader:Win32/Waledac.C distribution are common for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty new strategy in malware spreading – you get the email that imitates some regular notifications about shipments or bank service conditions updates. Inside of the e-mail, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks pretty simple, however, still needs tons of focus. Malware can hide in different spots, and it is better to prevent it even before it goes into your computer than to trust in an anti-malware program. Common cybersecurity awareness is just an important thing in the modern world, even if your interaction with a PC remains on YouTube videos. That may save you a great deal of money and time which you would certainly spend while trying to find a solution.

TrojanDownloader:Win32/Waledac.C malware technical details

File Info:

name: 5F2F4E47F72DE2D2559D.mlw
path: /opt/CAPEv2/storage/binaries/5ff83e7bd666fd1a9bee6e8eb51203d05f10be6dd1cc2a92d28e9e15dc6bb0c9
crc32: D0371E81
md5: 5f2f4e47f72de2d2559dafc2922869a5
sha1: 2376f06096889b50b15a678156caefeb83592964
sha256: 5ff83e7bd666fd1a9bee6e8eb51203d05f10be6dd1cc2a92d28e9e15dc6bb0c9
sha512: 533dad42c0eaff813a38a799970dca205b8c4959626e3871e357b2a21d348db60ef70fd54654a1f84e776f3cd5aaf6bd44e9b5ce0d99fd9311945064d1abfb67
ssdeep: 768:XBGcWwvM0PWsvsBi6s6GrLYZzi4sumRMyg/+:kcWwvMSW+sts6GMzi4sue5q+
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15AE26C72DD4EA1E7F80BE27EC2A353765D32A8B005D5C0DA868D0DB504FE6E8C61570E
sha3_384: d5ac6a9c461857accac92dbd30b5d33a280b65879509af1e82ad2d8e9cefe408ecd0d2174ad1815f2f85ed15a59957f9
ep_bytes: 558bec81c4b0feffff33d28d84925bf9
timestamp: 2005-10-22 16:55:35

Version Info:

0: [No Data]

TrojanDownloader:Win32/Waledac.C also known as:

Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Kryptik.KMX
AvastWin32:Renosa-C [Trj]
EmsisoftTrojan.Ransom.Cerber.1 (B)
SophosMal/Generic-R + Mal/FakeAV-GQ
SentinelOneStatic AI – Suspicious PE
CynetMalicious (score: 100)
MAXmalware (ai score=98)
RisingDownloader.Waledac!8.268 (KTSE)
AVGWin32:Renosa-C [Trj]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_100% (W)

How to remove TrojanDownloader:Win32/Waledac.C?

TrojanDownloader:Win32/Waledac.C malware is incredibly difficult to delete manually. It stores its files in numerous locations throughout the disk, and can restore itself from one of the elements. Moreover, countless changes in the registry, networking setups and also Group Policies are fairly hard to find and change to the original. It is better to utilize a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for virus removal purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated practically every hour. In addition, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing 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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