Trojan-Ransom.Win32.Blocker.ylff

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan-Ransom.Win32.Blocker.ylff detection name means that your system is in big danger. This computer virus can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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Trojan-Ransom.Win32.Blocker.ylff detection is a virus detection you can spectate in your system. It often appears after the preliminary actions on your PC – opening the untrustworthy email, clicking the banner in the Internet or mounting the program from unreliable sources. From the instance it appears, 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 things.

What is Trojan-Ransom.Win32.Blocker.ylff virus?

Trojan-Ransom.Win32.Blocker.ylff is ransomware-type malware. It searches for the documents on your disk, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It modifies the networking settings in order to prevent you from reading the removal articles or downloading the antivirus. In some cases, Trojan-Ransom.Win32.Blocker.ylff can also prevent the launching of anti-malware programs.

Trojan-Ransom.Win32.Blocker.ylff Summary

In total, Trojan-Ransom.Win32.Blocker.ylff malware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Ciphering the documents located on the target’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a horror story for the last 4 years. It is hard to realize a more damaging virus for both individual users and businesses. The algorithms utilized in Trojan-Ransom.Win32.Blocker.ylff (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these unpleasant things immediately – it can take up to several hours to cipher all of your files. Thus, seeing the Trojan-Ransom.Win32.Blocker.ylff detection is a clear signal that you must begin the clearing procedure.

Where did I get the Trojan-Ransom.Win32.Blocker.ylff?

Ordinary tactics of Trojan-Ransom.Win32.Blocker.ylff spreading are common for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a quite new strategy in malware spreading – you get the e-mail that mimics some standard notifications about shipments or bank service conditions modifications. Within the e-mail, there is a corrupted 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 fairly uncomplicated, however, still needs a lot of awareness. Malware can hide in various places, and it is better to stop it even before it goes into your computer than to rely upon an anti-malware program. Standard cybersecurity awareness is just an essential item in the modern world, even if your interaction with a computer remains on YouTube videos. That can save you a lot of money and time which you would certainly spend while seeking a fix guide.

Trojan-Ransom.Win32.Blocker.ylff malware technical details

File Info:

name: 62CE7412C5B89C8590FD.mlw
path: /opt/CAPEv2/storage/binaries/4064f111c3060d94d3f6408596b2d503e7e5790bc631e502693a674353080427
crc32: F710C3E6
md5: 62ce7412c5b89c8590fd196c4574cba2
sha1: fdee54f7aef0e30e21a80e85067fe097119fa982
sha256: 4064f111c3060d94d3f6408596b2d503e7e5790bc631e502693a674353080427
sha512: e783319dbd51200952552fb183468e7f8369cbfdb1c6153787b12e07f580875dfdf062178ed13e009bbfc49368debb0a5a6f8e15c6edb1f668183a68b93d6ec0
ssdeep: 49152:SpYYIJdyWbNgUa8Ds+Ogs4dPaY0OG5n4NJvz2oex:fPDbLs4dPaY0fZx
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A6A52302B3C71572E4561EB498B1D140BC17BCBA19F6910A1EB9C70E8DBDA81DC77BE2
sha3_384: 54c9f95b32ab7d4d560312e8599178c9e30bdaeaa448adb68fe0a78d1683b711a5421192893cf577da13b2f80a9a09fc
ep_bytes: 558bec83c4a453565733c08945c48945
timestamp: 2018-06-14 13:27:46

Version Info:

Comments: This installation was built with Inno Setup.
CompanyName: Vanadiy Software
FileDescription: Advanced Toolkit
FileVersion: 2.2.1.0
LegalCopyright: Copyright 2022 © Vanadiy Software
ProductName: Advanced Toolkit
ProductVersion: 2.2.1
Translation: 0x0000 0x04b0

Trojan-Ransom.Win32.Blocker.ylff also known as:

SangforSuspicious.Win32.Malware.gen
K7AntiVirusRiskware ( 00584baa1 )
AlibabaRansom:Win32/Blocker.c8f4c287
K7GWRiskware ( 00584baa1 )
Elasticmalicious (high confidence)
Paloaltogeneric.ml
KasperskyTrojan-Ransom.Win32.Blocker.ylff
AvastWin32:Malware-gen
McAfee-GW-EditionBehavesLike.Win32.BadFile.vc
AviraTR/Blocker.jqroi
CynetMalicious (score: 99)
AhnLab-V3Trojan/Win.Malware-gen.C5111275
McAfeeArtemis!62CE7412C5B8
IkarusTrojan.Blocker
AVGWin32:Malware-gen

How to remove Trojan-Ransom.Win32.Blocker.ylff?

Trojan-Ransom.Win32.Blocker.ylff malware is extremely hard to erase manually. It puts its documents in several places throughout the disk, and can get back itself from one of the parts. Furthermore, numerous alterations in the windows registry, networking settings and Group Policies are pretty hard to discover and revert to the original. It is far better to make use of a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus removal purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated practically every hour. In addition, it does not have such problems and vulnerabilities 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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