Win32:GenMalicious-YG [Trj]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32:GenMalicious-YG [Trj] detection name usually means that your system is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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Win32:GenMalicious-YG [Trj] detection is a malware detection you can spectate in your system. It frequently appears after the provoking activities on your computer – opening the suspicious e-mail messages, clicking the advertisement in the Web or mounting the program from dubious sources. From the instance it shows up, you have a short time to take action until it begins its malicious activity. And be sure – it is much better not to wait for these harmful effects.

What is Win32:GenMalicious-YG [Trj] virus?

Win32:GenMalicious-YG [Trj] is ransomware-type malware. It searches for the documents on your disks, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware additionally does a ton of harm to your system. It changes the networking setups in order to avoid you from looking for the removal manuals or downloading the antivirus. In rare cases, Win32:GenMalicious-YG [Trj] can additionally stop the launching of anti-malware programs.

Win32:GenMalicious-YG [Trj] Summary

Summarizingly, Win32:GenMalicious-YG [Trj] ransomware actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Authenticode signature is invalid;
  • Installs itself for autorun at Windows startup;
  • Stores JavaScript or a script command in the registry, likely for fileless persistence;
  • Operates on local firewall’s policies and settings;
  • Attempts to disable or modify Explorer Folder Options;
  • Anomalous binary characteristics;
  • Attempts to modify Explorer settings to prevent file extensions from being displayed;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Encrypting the files located on the target’s drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a major problem for the last 4 years. It is hard to picture a more hazardous malware for both individuals and organizations. The algorithms used in Win32:GenMalicious-YG [Trj] (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. But that malware does not do all these bad things immediately – it may require up to a few hours to cipher all of your files. Hence, seeing the Win32:GenMalicious-YG [Trj] detection is a clear signal that you must begin the elimination procedure.

Where did I get the Win32:GenMalicious-YG [Trj]?

Common tactics of Win32:GenMalicious-YG [Trj] distribution are common for all other ransomware examples. Those are one-day landing web pages where victims are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a relatively modern strategy in malware spreading – you receive the e-mail that mimics some routine notifications about shippings or bank service conditions changes. Inside of the e-mail, there is an infected MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly uncomplicated, however, still requires a lot of recognition. Malware can hide in different places, and it is much better to stop it even before it invades your system than to depend on an anti-malware program. Basic cybersecurity knowledge is just an essential thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That may keep you a lot of time and money which you would spend while seeking a fixing guide.

Win32:GenMalicious-YG [Trj] malware technical details

File Info:

name: 3B7956FEAB9DE66963D7.mlw
path: /opt/CAPEv2/storage/binaries/f740b304ceb2790cbfaafa0bfbfe37805257d3f8bef2bfbf3631c303f22d5fb1
crc32: CF124DF3
md5: 3b7956feab9de66963d762a619e1537e
sha1: 4a09085be526dd7a4b5b147b5976be603b6f1e71
sha256: f740b304ceb2790cbfaafa0bfbfe37805257d3f8bef2bfbf3631c303f22d5fb1
sha512: 8196e59c706a904012cc60d29e13cb66e1ba132fd99954b30d7720c20d6793d1ce95c829ee21846d9f61cd092f293e567d0a4540d7a91222b1c97b786debf2a5
ssdeep: 1536:59/X6C7kehYd7TRZym2aVmXdMNUWMkT9Sr/bV5C7:3yC7kR7T1hilJ5C7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F5B3F723F7956058F2638AB03D349199783ABD350950A84FB349BB5E2631AD7F4B132F
sha3_384: 9c9874cb3e74b99f718c5d768bb5b60099d1b0ebabe4704bfd0e00c549b612a52c7fcb17e18f7fa02bef6fd177da2221
ep_bytes: 68b0624000e8f0ffffff000000000000
timestamp: 2014-09-14 14:16:15

Version Info:

Translation: 0x0409 0x04b0
CompanyName: 17.03 MB
ProductName: Micr0soft Cr4zy Sc1ipting
FileVersion: 17.03.0004
ProductVersion: 17.03.0004
InternalName: a
OriginalFilename: a.exe

Win32:GenMalicious-YG [Trj] also known as:

MicroWorld-eScanGen:Variant.Johnnie.127900
ALYacGen:Variant.Johnnie.127900
CylanceUnsafe
Sangfor[MICROSOFT VISUAL BASIC V6.0]
K7AntiVirusRiskware ( 00584baa1 )
K7GWRiskware ( 00584baa1 )
Cybereasonmalicious.eab9de
ArcabitTrojan.Johnnie.D1F39C
Elasticmalicious (high confidence)
APEXMalicious
KasperskyTrojan-Ransom.Win32.Blocker.frsf
BitDefenderGen:Variant.Johnnie.127900
NANO-AntivirusTrojan.Win32.TCNW6963.eckfsh
AvastWin32:GenMalicious-YG [Trj]
Ad-AwareGen:Variant.Johnnie.127900
EmsisoftGen:Variant.Johnnie.127900 (B)
F-SecureTrojan.TR/Spy.Gen
DrWebBACKDOOR.Trojan
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.3b7956feab9de669
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Blocker.cgc
AviraTR/Spy.Gen
MicrosoftProgram:Win32/Wacapew.C!ml
ZoneAlarmTrojan-Ransom.Win32.Blocker.frsf
GDataGen:Variant.Johnnie.127900
MAXmalware (ai score=83)
RisingMalware.FakeXLS/ICON!1.9C3D (CLASSIC)
YandexTrojanSpy.Agent!lZVSl7Gu3Js
MaxSecureTrojan.Malware.300983.susgen
BitDefenderThetaGen:NN.ZevbaF.34712.gm0@auQvNdbi
AVGWin32:GenMalicious-YG [Trj]
CrowdStrikewin/malicious_confidence_60% (D)

How to remove Win32:GenMalicious-YG [Trj]?

Win32:GenMalicious-YG [Trj] malware is extremely difficult to remove manually. It places its documents in several places throughout the disk, and can get back itself from one of the parts. Moreover, countless modifications in the windows registry, networking setups and Group Policies are really hard to identify and change to the initial. It is far better to use a specific app – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal goals.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for eliminating malware of any kind.

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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