Ransom:MSIL/PenTera.F!MSR Virus Removal

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

Seeing the Ransom:MSIL/PenTera.F!MSR detection usually means that your computer is in big danger. This virus can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.

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Ransom:MSIL/PenTera.F!MSR detection is a virus detection you can spectate in your computer. It frequently shows up after the preliminary procedures on your computer – opening the untrustworthy email, clicking the banner in the Internet or mounting the program from dubious sources. From the second it appears, you have a short time to do something about it until it starts its harmful action. And be sure – it is better not to await these malicious actions.

What is Ransom:MSIL/PenTera.F!MSR virus?

Ransom:MSIL/PenTera.F!MSR is ransomware-type malware. It searches for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a ton of damage to your system. It alters the networking settings in order to avoid you from reading the elimination guidelines or downloading the antivirus. In rare cases, Ransom:MSIL/PenTera.F!MSR can additionally stop the launching of anti-malware programs.

Ransom:MSIL/PenTera.F!MSR Summary

Summarizingly, Ransom:MSIL/PenTera.F!MSR virus actions in the infected PC are next:

  • Authenticode signature is invalid;
  • Anomalous .NET characteristics;
  • Ciphering the files kept on the victim’s disks — 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 horror story for the last 4 years. It is hard to realize a more dangerous malware for both individual users and companies. The algorithms used in Ransom:MSIL/PenTera.F!MSR (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. But that virus does not do all these unpleasant things instantly – it may take up to a few hours to cipher all of your files. Therefore, seeing the Ransom:MSIL/PenTera.F!MSR detection is a clear signal that you need to start the elimination process.

Where did I get the Ransom:MSIL/PenTera.F!MSR?

Standard methods of Ransom:MSIL/PenTera.F!MSR spreading are basic for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait e-mails are a quite modern tactic in malware distribution – you receive the e-mail that simulates some normal notifications about shipments or bank service conditions changes. Inside of the email, 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 pretty easy, however, still requires a lot of awareness. Malware can hide in different spots, and it is better to prevent it even before it goes into your computer than to rely upon an anti-malware program. Standard cybersecurity knowledge is just an essential thing in the modern world, even if your interaction with a computer stays on YouTube videos. That may keep you a lot of money and time which you would spend while looking for a fix guide.

Ransom:MSIL/PenTera.F!MSR malware technical details

File Info:

name: DB5C903895E31F4819FF.mlw
path: /opt/CAPEv2/storage/binaries/5b5fe2b264f0daa5b9f738371bb20d815289a5a7836ef3e08fef133c36d57ab2
crc32: 9E89BA60
md5: db5c903895e31f4819ff0983e0292829
sha1: 1aafd47506505368e2f835d9066c65f7d87aea86
sha256: 5b5fe2b264f0daa5b9f738371bb20d815289a5a7836ef3e08fef133c36d57ab2
sha512: 3ac9c53fbdf49de3b9dd15b481615d17fd95b899762978ef6d225f5bb041d6a5f15c242daf89d6f5cbc012f3b56545aa9d089b9f1dfaf20a38ea7c9c957da00f
ssdeep: 24576:8cKKQUOa6KqxW9dkkCiX2QZEfZTBQoKdMiQvNobs3:8b/xWkDM2QqQj0v
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T141455A823FC1990BCA6F4F7698A25210E7F4E845A747F74B6C8173EC2C463AC9D461E6
sha3_384: fba95c1b4006e5df87c839490221eb69597bed491fd23409dfe05eed15ba9b9cc5c1dda832b0640c36b81faaf38eb7d2
ep_bytes: ff250020400000000000000000000000
timestamp: 2023-05-18 14:44:57

Version Info:

Translation: 0x0000 0x04b0
FileDescription:
FileVersion: 0.0.0.0
InternalName: PenterWare.exe
LegalCopyright:
OriginalFilename: PenterWare.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

Ransom:MSIL/PenTera.F!MSR also known as:

MicroWorld-eScan Gen:Heur.Ransom.REntS.Gen.1
ClamAV Win.Ransomware.Conti-9826703-0
ALYac Gen:Heur.Ransom.REntS.Gen.1
VIPRE Gen:Heur.Ransom.REntS.Gen.1
K7AntiVirus Trojan ( 005956f01 )
K7GW Trojan ( 005956f01 )
Cybereason malicious.895e31
Cyren W32/A-8f5775ec!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Agent.VOK
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.MSIL.Agent.gen
BitDefender Gen:Heur.Ransom.REntS.Gen.1
Avast Win32:MalwareX-gen [Trj]
Emsisoft Gen:Heur.Ransom.REntS.Gen.1 (B)
F-Secure Heuristic.HEUR/AGEN.1305750
McAfee-GW-Edition BehavesLike.Win32.Generic.th
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.db5c903895e31f48
Ikarus Trojan.MSIL.Agent
GData Gen:Heur.Ransom.REntS.Gen.1
Avira HEUR/AGEN.1305750
Arcabit Trojan.Ransom.REntS.Gen.1
ZoneAlarm HEUR:Trojan.MSIL.Agent.gen
Microsoft Ransom:MSIL/PenTera.F!MSR
Google Detected
AhnLab-V3 Trojan/Win.Generic.R491781
MAX malware (ai score=81)
Malwarebytes Generic.Malware.AI.DDS
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.VOK!tr.ransom
BitDefenderTheta Gen:NN.ZemsilF.36662.ln0@a8sxnFn
AVG Win32:MalwareX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Ransom:MSIL/PenTera.F!MSR?

Ransom:MSIL/PenTera.F!MSR malware is incredibly hard to remove by hand. It places its data in multiple places throughout the disk, and can restore itself from one of the elements. Moreover, numerous changes in the windows registry, networking setups and also Group Policies are fairly hard to locate and return to the initial. It is much better to make use of a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for malware elimination goals.

Remove Ransom:MSIL/PenTera.F!MSR with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove Ransom:MSIL/PenTera.F!MSR as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Ransom:MSIL/PenTera.F!MSR Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Ransom:MSIL/PenTera.F!MSR was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Ransom:MSIL/PenTera.F!MSR has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Ransom:MSIL/PenTera.F!MSR” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Ransom:MSIL/PenTera.F!MSR Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Ransom:MSIL/PenTera.F!MSR Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Ransom:MSIL/PenTera.F!MSR and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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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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