Trojan-Ransom.Win32.Blocker.pef

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan-Ransom.Win32.Blocker.pef detection usually means that your computer is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.
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Trojan-Ransom.Win32.Blocker.pef detection is a virus detection you can spectate in your computer. It often appears after the provoking activities on your PC – opening the dubious email messages, clicking the banner in the Web or mounting the program from suspicious sources. From the moment it shows up, you have a short time to do something about it before it begins its malicious activity. And be sure – it is much better not to wait for these malicious effects.

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

Trojan-Ransom.Win32.Blocker.pef is ransomware-type malware. It looks for the documents on your computer, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a ton of harm to your system. It modifies the networking settings in order to avoid you from reading the elimination manuals or downloading the anti-malware program. Sometimes, Trojan-Ransom.Win32.Blocker.pef can also block the setup of anti-malware programs.

Trojan-Ransom.Win32.Blocker.pef Summary

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

  • Sample contains Overlay data;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the target’s drive — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a major problem for the last 4 years. It is difficult to imagine a more hazardous virus for both individual users and companies. The algorithms utilized in Trojan-Ransom.Win32.Blocker.pef (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 actually exists, and possibly will exist. However, that virus does not do all these horrible things immediately – it may take up to several hours to cipher all of your files. Thus, seeing the Trojan-Ransom.Win32.Blocker.pef detection is a clear signal that you need to begin the clearing process.

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

Standard ways of Trojan-Ransom.Win32.Blocker.pef distribution are typical for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively new tactic in malware spreading – you receive the email that mimics some routine notifications about shippings or bank service conditions updates. Within the email, there is a malicious MS Office file, or a web 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 pretty easy, however, still requires tons of focus. Malware can hide in various places, and it is much better to stop it even before it invades your system than to trust in an anti-malware program. Basic cybersecurity awareness is just an essential item in the modern world, even if your relationship with a PC stays on YouTube videos. That may keep you a lot of money and time which you would spend while seeking a fix guide.

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

File Info:

name: 51E0C6A19F3F7ADE73B9.mlw
path: /opt/CAPEv2/storage/binaries/3a7c9cf0c91e3c95522d89321e408d9fde46dc6b5de1be23f21e1352d6a11d60
crc32: F1D1F41A
md5: 51e0c6a19f3f7ade73b9f6ea1cc4e936
sha1: e64ba707d727dec0fd41da675c18bd031ab6ebd8
sha256: 3a7c9cf0c91e3c95522d89321e408d9fde46dc6b5de1be23f21e1352d6a11d60
sha512: a7f6bc2d4a9297fd4e15c07412680cd0e53456974689f99bbf509353457c44130f3c3a192af24a8e9df4288d11bc94de59c6aa3dcb236dcbfc0a0819f47346e6
ssdeep: 3072:awgIzJABXxg4U39QzhdD/bcSx5G5JjMtxe/3rRJsZahtjIJpi5KmivaO:ngG6BXxg4s9khdDMFWUPsUrjIXigmiv1
type: PE32+ executable (GUI) x86-64, for MS Windows
tlsh: T1E6146C4237E404A4F433DA3998A14511D7BABD611F62DFAF9381211A0E7A7E19E3CF32
sha3_384: 458830eb4477396cd41076ba3a68fb89cd5eb6613efc665a7434493138f2deb9d57710c160d797db3876830d718c2607
ep_bytes: e848feffffc82000004c897c24f84883
timestamp: 2020-12-09 14:28:03

Version Info:

CompanyName: Oracle Corporation
FileDescription: Java(TM) Web Launcher
FileVersion: 11.281.2.09
Full Version: 11.281.2.09
InternalName: Java(TM) Web Launcher
LegalCopyright: Copyright © 2020
OriginalFilename: jp2launcher.exe
ProductName: Java(TM) Platform SE 8 U281
ProductVersion: 8.0.2810.9
Translation: 0x0000 0x04b0

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

MicroWorld-eScanTrojan.GenericKDZ.93143
VIPRETrojan.GenericKDZ.93143
CrowdStrikewin/malicious_confidence_70% (D)
K7GWTrojan ( 0059aa0b1 )
K7AntiVirusTrojan ( 0059aa0b1 )
CyrenW64/Ipamor.A
SymantecML.Attribute.HighConfidence
ESET-NOD32Win64/Filecoder.GG
KasperskyHEUR:Trojan-Ransom.Win32.Blocker.pef
BitDefenderTrojan.GenericKDZ.93143
Ad-AwareTrojan.GenericKDZ.93143
EmsisoftTrojan.GenericKDZ.93143 (B)
DrWebWin32.HLLP.Azov.2
TrendMicroRansom.Win64.AZVO.SMYXCJ5
FireEyeTrojan.GenericKDZ.93143
GDataTrojan.GenericKDZ.93143
JiangminTrojan.Blocker.urx
Antiy-AVLTrojan/Generic.ASBOL.C73A
ArcabitTrojan.Generic.D16BD7
MicrosoftTrojan:Win32/Wacatac.B!ml
GoogleDetected
AhnLab-V3Trojan/Win.Generic.R534309
Acronissuspicious
ALYacTrojan.GenericKDZ.93143
MAXmalware (ai score=82)
MalwarebytesRansom.Azov
RisingRansom.Agent!8.6B7 (TFE:2:U9tOTBNOHOO)
IkarusTrojan-Ransom.FileCrypter
MaxSecureTrojan.Malware.121218.susgen
FortinetW64/Filecoder.GG!tr

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

Trojan-Ransom.Win32.Blocker.pef malware is extremely hard to delete manually. It puts its data in a variety of places throughout the disk, and can recover itself from one of the parts. Furthermore, a number of modifications in the windows registry, networking configurations and Group Policies are quite hard to find and return to the original. It is better to use a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus removal goals.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated practically every hour. Additionally, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable for clearing away 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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