What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan:Win32/Vundo.KT detection usually means that your computer is in big danger. This virus can correctly be identified as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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Trojan:Win32/Vundo.KT detection is a virus detection you can spectate in your computer. It generally shows up after the preliminary procedures on your computer – opening the dubious email, clicking the banner in the Web or installing the program from untrustworthy resources. From the second it appears, you have a short time to do something about it until it starts its harmful activity. And be sure – it is far better not to wait for these harmful things.

What is Trojan:Win32/Vundo.KT virus?

Trojan:Win32/Vundo.KT is ransomware-type malware. It looks for the documents on your disks, ciphers 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 damage to your system. It changes the networking setups in order to prevent you from looking for the elimination guides or downloading the anti-malware program. In some cases, Trojan:Win32/Vundo.KT can additionally block the launching of anti-malware programs.

Trojan:Win32/Vundo.KT Summary

Summarizingly, Trojan:Win32/Vundo.KT malware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Russian;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Harvests cookies for information gathering;
  • Ciphering the files kept on the target’s drive — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is difficult to picture a more dangerous virus for both individual users and organizations. The algorithms used in Trojan:Win32/Vundo.KT (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 currently exists, and possibly will exist. However, that malware does not do all these bad things instantly – it can take up to a few hours to cipher all of your files. Therefore, seeing the Trojan:Win32/Vundo.KT detection is a clear signal that you need to start the elimination procedure.

Where did I get the Trojan:Win32/Vundo.KT?

Common tactics of Trojan:Win32/Vundo.KT distribution are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download the free program, so-called bait emails and hacktools. Bait emails are a quite modern strategy in malware spreading – you get the email that simulates some normal notifications about shipments or bank service conditions shifts. Inside of the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

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

Preventing it looks fairly easy, but still demands a lot of recognition. Malware can hide in various spots, and it is much better to prevent it even before it goes into your computer than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an essential thing in the modern world, even if your relationship with a computer remains on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while looking for a fixing guide.

Trojan:Win32/Vundo.KT malware technical details

File Info:

name: 88388E0410FCE88E3F97.mlw
path: /opt/CAPEv2/storage/binaries/2b5485565736b0532f879b2e0fb8a213eb310c17b8868d831dd5c29a9f86ad9e
crc32: FB19C41D
md5: 88388e0410fce88e3f97dab2f9f12488
sha1: 6a666fae8d7d0484ecd01cd43c58b509e3df200a
sha256: 2b5485565736b0532f879b2e0fb8a213eb310c17b8868d831dd5c29a9f86ad9e
sha512: ce2eebbf17422c5eb08a780e45a4036c8db9c81203e9f27ae86b5ee10867239ee03cfdddf3c210fb9aec8c79b7b06e6174c62bc1fca1fd706d8605fabad02a69
ssdeep: 768:eJNJLjU31pZzQXdNK2sgrYmhEGelE4Ofm2e5eAzbl2q5EGFQecG2re3DMOTMDgso:eJzgnyXPHlUOOFYEB2Pyr3D8gsuyV3q
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D833F16A79B24AA2D8622EF00B13A74B24D7F5574FD4B1503EF912F0F90A2E123315DA
sha3_384: de2ea339a97e2f608f12057316d72726af85b4c3587a3885c470a6af96274390398e917b2f3e46af889d062930290d56
ep_bytes: 60be002002148dbe00f0fdff5783cdff
timestamp: 2006-07-16 23:08:40

Version Info:

CompanyName: РХцлфРЗЪСНрзыуэБъсаюЩРец
FileDescription: дХЦуИуфьрыщРбйЯеЬчУЗмгпчЦ
InternalName: ЫЮЧФВЖюшХчЪСоГаЯжхНАНябюСББЗ
OriginalFilename: B62Umyyk.exe
ProductName: гьХЯщтЮЙЪдиЛшОКзптэвГУЧм
Translation: 0x04b0 0x0417

Trojan:Win32/Vundo.KT also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 100)
K7AntiVirusTrojan ( f1000f011 )
K7GWTrojan ( f1000f011 )
ESET-NOD32a variant of Win32/Kryptik.EHC
SophosML/PE-A + Mal/Qbot-B
VIPRETrojan.Win32.Nedsym.f (v)
EmsisoftGen:Heur.Krypt.29 (B)
MAXmalware (ai score=100)
RisingTrojan.Sefnit!8.B5B (CLOUD)
SentinelOneStatic AI – Malicious PE
CrowdStrikewin/malicious_confidence_70% (D)

How to remove Trojan:Win32/Vundo.KT?

Trojan:Win32/Vundo.KT malware is incredibly difficult to remove by hand. It stores its data in several locations throughout the disk, and can recover itself from one of the parts. Moreover, countless alterations in the windows registry, networking settings and Group Policies are fairly hard to identify and return to the original. It is much better to make use of a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware removal goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated practically every hour. Additionally, it does not have such problems and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for taking out malware of any type.

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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