What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan-Ransom.Win32.Blocker.uajp malware detection usually means that your system is in big danger. This virus can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be taken as soon as possible.
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Trojan-Ransom.Win32.Blocker.uajp detection is a malware detection you can spectate in your system. It often shows up after the preliminary procedures on your PC – opening the untrustworthy email messages, clicking the banner in the Internet or setting up the program from unreliable sources. From the moment it shows up, you have a short time to do something about it until it begins its destructive activity. And be sure – it is much better not to wait for these malicious effects.

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

Trojan-Ransom.Win32.Blocker.uajp is ransomware-type malware. It searches for the files on your disks, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a lot of harm to your system. It changes the networking setups in order to avoid you from reading the removal guides or downloading the antivirus. In rare cases, Trojan-Ransom.Win32.Blocker.uajp can even prevent the setup of anti-malware programs.

Trojan-Ransom.Win32.Blocker.uajp Summary

In summary, Trojan-Ransom.Win32.Blocker.uajp ransomware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Anomalous file deletion behavior detected (10+);
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Reads data out of its own binary image;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity;
  • Behavioural detection: Injection (inter-process);
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the victim’s disk drives — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a nightmare for the last 4 years. It is hard to picture a more dangerous virus for both individuals and organizations. The algorithms used in Trojan-Ransom.Win32.Blocker.uajp (generally, 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 virus does not do all these unpleasant things immediately – it can require up to a few hours to cipher all of your files. Therefore, seeing the Trojan-Ransom.Win32.Blocker.uajp detection is a clear signal that you should begin the removal process.

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

Common ways of Trojan-Ransom.Win32.Blocker.uajp injection are usual for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free program, so-called bait emails and hacktools. Bait e-mails are a pretty new tactic in malware distribution – you get the email that imitates some regular notifications about deliveries or bank service conditions changes. Inside of the email, there is a malicious 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.

Avoiding it looks pretty uncomplicated, but still demands a lot of awareness. Malware can hide in various spots, and it is far better to stop it even before it goes into your PC than to rely upon an anti-malware program. Basic cybersecurity awareness is just an important thing in the modern world, even if your relationship with a PC stays on YouTube videos. That may save you a great deal of time and money which you would spend while searching for a fix guide.

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

File Info:

name: 162E5787B28208EB47C0.mlw
path: /opt/CAPEv2/storage/binaries/7f1cc6211bca7f57b7248b5ccfc55c202347b7d4446b14d45a6869bcf9f83b43
crc32: BA448BF9
md5: 162e5787b28208eb47c024893f696247
sha1: 2501bf3345d2b92c2f0a03a4dd0b05d425ccac74
sha256: 7f1cc6211bca7f57b7248b5ccfc55c202347b7d4446b14d45a6869bcf9f83b43
sha512: 1eb1d30d0a37a0c5d3283e6439e12976b8ec4c72a132c4cf2c464a24441c61f297333fbdc8627f65a670551530dc355b8286ca7414a093f9a5c407225950690a
ssdeep: 196608:SI+4s1L8hAqib1xpnQyPJJo6dB8G4LPaMkjufDT:SIBaGQBxpQyhJonzPkKn
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BA76334264E6E1BAE150F671261E44140EB7FD8968F09CE97CAEB884BF77972DC0025F
sha3_384: f325f1e015543c71db86355ead139af95e35f6509d58a3b5bffeffc71128f4cb0195ce5f36a2567db5b57f959b22d4bd
ep_bytes: 558bec83c4c453565733c08945f08945
timestamp: 1992-06-19 22:22:17

Version Info:

Comments: This installation was built with Inno Setup.
CompanyName: LRepacks
FileDescription: ScreenHunter Pro Setup
FileVersion: 7.0.1261.0
LegalCopyright: Copyright 2007-2021 LRepacks
ProductName: ScreenHunter Pro
ProductVersion: 7.0.1261
Translation: 0x0000 0x04b0

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

K7AntiVirusUnwanted-Program ( 005727961 )
K7GWUnwanted-Program ( 005727961 )
ESET-NOD32a variant of Win32/HackTool.Crack.KN potentially unsafe
SophosDownWare (PUA)

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

Trojan-Ransom.Win32.Blocker.uajp malware is very difficult to eliminate manually. It places its files in numerous places throughout the disk, and can restore itself from one of the elements. Furthermore, a lot of modifications in the registry, networking configurations and Group Policies are fairly hard to find and change to the initial. It is far better to use a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus elimination goals.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated just about every hour. Furthermore, 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 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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