Win32:Buterat-WQ [Trj] Virus Removal

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

Spectating the Win32:Buterat-WQ [Trj] malware detection usually means that your system is in big danger. This 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 peculiar steps that must be done as soon as possible.

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Win32:Buterat-WQ [Trj] detection is a malware detection you can spectate in your computer. It generally appears after the provoking activities on your computer – opening the dubious email messages, clicking the banner in the Internet or mounting the program from suspicious resources. From the moment it appears, you have a short time to take action before it begins its destructive activity. And be sure – it is far better not to await these harmful effects.

What is Win32:Buterat-WQ [Trj] virus?

Win32:Buterat-WQ [Trj] is ransomware-type malware. It searches for the documents on your disks, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus also does a ton of damage to your system. It alters the networking setups in order to stop you from looking for the removal manuals or downloading the antivirus. In some cases, Win32:Buterat-WQ [Trj] can additionally block the launching of anti-malware programs.

Win32:Buterat-WQ [Trj] Summary

In total, Win32:Buterat-WQ [Trj] virus actions in the infected PC are next:

  • HTTPS urls from behavior.;
  • Reads data out of its own binary image;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Touches a file containing cookies, possibly for information gathering;
  • Ciphering the documents located on the victim’s drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has actually been a major problem for the last 4 years. It is hard to realize a more dangerous malware for both individual users and businesses. The algorithms used in Win32:Buterat-WQ [Trj] (typically, 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 malware does not do all these terrible things instantly – it can require up to several hours to cipher all of your files. Therefore, seeing the Win32:Buterat-WQ [Trj] detection is a clear signal that you must start the removal process.

Where did I get the Win32:Buterat-WQ [Trj]?

Typical ways of Win32:Buterat-WQ [Trj] spreading are standard for all other ransomware variants. Those are one-day landing websites where users are offered to download the free app, so-called bait emails and hacktools. Bait e-mails are a relatively new tactic in malware spreading – you receive the e-mail that imitates some standard notifications about shippings or bank service conditions shifts. Inside of 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 easy, however, still needs a lot of attention. Malware can hide in various spots, and it is much better to stop it even before it goes into your computer than to rely upon an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a PC stays on YouTube videos. That may keep you a great deal of time and money which you would certainly spend while trying to find a fixing guide.

Win32:Buterat-WQ [Trj] malware technical details

File Info:

name: F4ECAED029715F07D931.mlw
path: /opt/CAPEv2/storage/binaries/7036bf94a82ef9e1ab2d031e27c9c603b9cc1ad98909bc0f486f23548cc7ef11
crc32: 0B1DA1F0
md5: f4ecaed029715f07d93161da16a6f1ac
sha1: dd3e8c57e587fa674be86e94b130214987c2685b
sha256: 7036bf94a82ef9e1ab2d031e27c9c603b9cc1ad98909bc0f486f23548cc7ef11
sha512: 223e0a620d419b2fa1d26c5cf008a0518dde4d3a40e26b07e755e0aaa4f21d39bb86fbcab84f6c2ad844a150f90c466d61e65b60ce24cfcd248050275ac7bd14
ssdeep: 1536:zttdse4OcUmWQIvEPZo6E5sEFdUVNQgA2w6TNle5K:Tdse4OlQZo6EKEFdMM29le5K
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T196636D66B2E9C277D1E318B62EAD9A70C4FEBD3425B0D4C2D310ED8B5AA06D2C535347
sha3_384: 094e4828887239972309b3bb26cee079fb257802347771cf51ed9c87bcba454e13c6418fa7b46e54061c5ebb866b5c54
ep_bytes: 558becb800180000e84d220000535657
timestamp: 2012-11-22 17:54:19

Version Info:

0: [No Data]

Win32:Buterat-WQ [Trj] also known as:

Bkav W32.AIDetectMalware
AVG Win32:Buterat-WQ [Trj]
Elastic malicious (high confidence)
MicroWorld-eScan Generic.Dacic.1A7FA519.A.72ECD27B
McAfee GenericRXHT-PZ!F4ECAED02971
Malwarebytes SpyVoltar.Spyware.Stealer.DDS
VIPRE Generic.Dacic.1A7FA519.A.72ECD27B
Sangfor Suspicious.Win32.Save.a
Cybereason malicious.029715
VirIT Trojan.Win32.Genus.URY
Symantec Infostealer.Scapzilla
ESET-NOD32 a variant of Win32/SpyVoltar.B
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Malware.Ulise-7170100-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Generic.Dacic.1A7FA519.A.72ECD27B
Avast Win32:Buterat-WQ [Trj]
Rising Trojan.Clicker!1.BC6E (CLASSIC)
Emsisoft Generic.Dacic.1A7FA519.A.72ECD27B (B)
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb BackDoor.Butirat.245
Sophos Troj/Buterat-E
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.hiyuc
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=89)
Antiy-AVL Trojan/Win32.AGeneric
Kingsoft malware.kb.a.999
Microsoft Trojan:Win32/ButeRat.MA!MTB
Xcitium TrojWare.Win32.Neconyd.A@8a2d6k
Arcabit Generic.Dacic.1A7FA519.A.72ECD27B
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan.PSE.14IDQ4O
Google Detected
Acronis suspicious
BitDefenderTheta AI:Packer.12698D601E
ALYac Generic.Dacic.1A7FA519.A.72ECD27B
VBA32 BScope.Trojan.Click
Cylance unsafe
Panda Trj/Genetic.gen
Tencent Trojan.Win32.Buterat.kb
Yandex Trojan.GenAsa!MfSlpvz62oE
Ikarus Virus.Win32.Vundo
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/TrojanClicker.NII!tr
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32:Buterat-WQ [Trj]?

Win32:Buterat-WQ [Trj] malware is incredibly hard to erase by hand. It places its files in a variety of places throughout the disk, and can get back itself from one of the parts. Moreover, numerous alterations in the windows registry, networking configurations and Group Policies are pretty hard to discover and return to the original. It is much better to utilize a specific program – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for malware removal objectives.

<”h3″ style="text-align: center">Remove ”Win32:Buterat-WQ 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 Malware as shown from our tests with the software, and we assure you that it can remove ”Win32:Buterat-WQ 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 ”Win32:Buterat-WQ Malware

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 ”Win32:Buterat-WQ 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 ”Win32:Buterat-WQ 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.

<”h3″>Trojan Killer for "”Win32:Buterat-WQ" 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 ”Win32:Buterat-WQ Virus

Step 4: Remove Found Threats:

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

Searching ”Win32:Buterat-WQ 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 ”Win32:Buterat-WQ 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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