Trojan:Win32/Vundo.A Virus Removal

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

Spectating the Trojan:Win32/Vundo.A detection 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 peculiar steps that must be taken as soon as possible.

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Trojan:Win32/Vundo.A detection is a malware detection you can spectate in your computer. It frequently shows up after the preliminary activities on your PC – opening the untrustworthy email messages, clicking the banner in the Internet or setting up the program from suspicious sources. From the second it shows up, you have a short time to take action before it begins its destructive activity. And be sure – it is far better not to wait for these destructive actions.

What is Trojan:Win32/Vundo.A virus?

Trojan:Win32/Vundo.A is ransomware-type malware. It searches for the files on your computer, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware also does a ton of harm to your system. It modifies the networking settings in order to stop you from reading the removal tutorials or downloading the anti-malware program. In some cases, Trojan:Win32/Vundo.A can also block the launching of anti-malware programs.

Trojan:Win32/Vundo.A Summary

In total, Trojan:Win32/Vundo.A virus actions in the infected computer are next:

  • Reads data out of its own binary image;
  • Authenticode signature is invalid;
  • Attempts to create or modify a Browser Helper Object;
  • Attempts to modify proxy settings;
  • Touches a file containing cookies, possibly for information gathering;
  • Ciphering the files located on the target’s disk — so the victim cannot use these files;
  • 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 headache for the last 4 years. It is challenging to imagine a more dangerous malware for both individual users and companies. The algorithms utilized in Trojan:Win32/Vundo.A (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy currently exists, and possibly will exist. But that virus does not do all these bad things without delay – it may take up to a few hours to cipher all of your files. Hence, seeing the Trojan:Win32/Vundo.A detection is a clear signal that you should begin the clearing procedure.

Where did I get the Trojan:Win32/Vundo.A?

Typical tactics of Trojan:Win32/Vundo.A distribution are standard for all other ransomware variants. Those are one-day landing websites where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait emails are a relatively modern method in malware distribution – you receive the e-mail that mimics some routine notifications about shippings or bank service conditions modifications. Inside of the e-mail, 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.

Preventing it looks pretty simple, however, still demands tons of awareness. Malware can hide in different spots, and it is far better to stop it even before it gets into your PC than to trust in an anti-malware program. Essential cybersecurity knowledge is just an essential item in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may save you a lot of time and money which you would spend while trying to find a fixing guide.

Trojan:Win32/Vundo.A malware technical details

File Info:

name: F0B105A40CDC5B12A4C0.mlw
path: /opt/CAPEv2/storage/binaries/b7ffa7b8776df0784c2f78047219de00c1ddc28e7499509335f07782ff4886a1
crc32: CB1B1769
md5: f0b105a40cdc5b12a4c0d7598eddf3b2
sha1: 877ec838871e5e3dd55c52e315b06e91f5f5581a
sha256: b7ffa7b8776df0784c2f78047219de00c1ddc28e7499509335f07782ff4886a1
sha512: d0eebb56adbacd183dc34db110c0a9315991c1add6e2f01c461e36419fd6b97949e5d1b8b6d79f8678f02318f00b13f454cd09ac672ba7eb38f9bb9400749b46
ssdeep: 24576:RyWFUM1WsNUibHIHCes4d2ZfctLUk5wXBXZqsTpAnU:RvFUM1WiUiLIiO2ZfcZUkGxQsTd
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T161054A21F742E01BF9A700B2A96D466AB15C6B304B4444C7F3C89F6D677D6D2AE3231B
sha3_384: 6047e78f3ac3baed077fac4f70b84382718d3e93292bd66cfc3e3c304d3ce6b7a9739ac523dd21f60902b0b6b12f31bc
ep_bytes: 6a606898854a00e8af100000bf940000
timestamp: 2004-11-12 16:35:54

Version Info:

0: [No Data]

Trojan:Win32/Vundo.A also known as:

Elasticmalicious (high confidence)
K7AntiVirusSpyware ( 000086711 )
K7GWSpyware ( 000086711 )
AvastWin32:Agent-DQP [Trj]
EmsisoftGen:Trojan.Heur.PT.0qW@bqE6vuhi (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=95)
CynetMalicious (score: 100)
RisingTrojan.Spy.Agent.cgp (CLASSIC)
AVGWin32:Agent-DQP [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/Vundo.A?

Trojan:Win32/Vundo.A malware is very difficult to delete manually. It stores its data in multiple locations throughout the disk, and can recover itself from one of the parts. Additionally, countless alterations in the windows registry, networking configurations and also Group Policies are fairly hard to discover and revert to the original. It is far better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Remove Trojan:Win32/Vundo.A 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 Trojan:Win32/Vundo.A 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

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


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 Trojan:Win32/Vundo.A 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 Trojan:Win32/Vundo.A 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 Trojan:Win32/Vundo.A 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 “Trojan:Win32/Vundo.A” 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 ( 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 Trojan:Win32/Vundo.A Virus

Step 4: Remove Found Threats:

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

Searching Trojan:Win32/Vundo.A 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 Trojan:Win32/Vundo.A 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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