PUA:Win32/Puwaders.C!ml Virus Removal

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

Spectating the PUA:Win32/Puwaders.C!ml detection name usually means that your system is in big danger. This malware can correctly be identified as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.

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PUA:Win32/Puwaders.C!ml detection is a virus detection you can spectate in your system. It often shows up after the preliminary actions on your computer – opening the untrustworthy e-mail, clicking the banner in the Web or setting up the program from dubious sources. From the moment it shows up, you have a short time to take action before it starts its harmful action. And be sure – it is much better not to wait for these destructive effects.

What is PUA:Win32/Puwaders.C!ml virus?

PUA:Win32/Puwaders.C!ml is ransomware-type malware. It searches for the files on your computer, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a ton of damage to your system. It alters the networking setups in order to stop you from reading the removal guidelines or downloading the antivirus. Sometimes, PUA:Win32/Puwaders.C!ml can even stop the setup of anti-malware programs.

PUA:Win32/Puwaders.C!ml Summary

Summarizingly, PUA:Win32/Puwaders.C!ml virus actions in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • A file was accessed within the Public folder.;
  • Performs HTTP requests potentially not found in PCAP.;
  • Reads data out of its own binary image;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (inter-process);
  • Attempts to modify proxy settings;
  • Touches a file containing cookies, possibly for information gathering;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the files kept on the target’s drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has actually been a major problem for the last 4 years. It is challenging to imagine a more damaging malware for both individual users and companies. The algorithms utilized in PUA:Win32/Puwaders.C!ml (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 currently exists, and possibly will exist. But that virus does not do all these horrible things immediately – it can take up to several hours to cipher all of your documents. Thus, seeing the PUA:Win32/Puwaders.C!ml detection is a clear signal that you have to begin the elimination process.

Where did I get the PUA:Win32/Puwaders.C!ml?

Common methods of PUA:Win32/Puwaders.C!ml spreading are typical for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a relatively new strategy in malware distribution – you get the e-mail that mimics some normal notifications about shippings or bank service conditions modifications. Within the e-mail, there is an infected 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 fairly uncomplicated, but still requires tons of awareness. Malware can hide in different places, and it is much better to prevent it even before it invades your computer than to rely on an anti-malware program. Basic cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of money and time which you would spend while looking for a fixing guide.

PUA:Win32/Puwaders.C!ml malware technical details

File Info:

name: 686D2B698278844A6207.mlw
path: /opt/CAPEv2/storage/binaries/389530d5d77982104b3e0274920f9bc656610b01cc589ad7004f986d7d5dba5c
crc32: 861CFBD7
md5: 686d2b698278844a6207a7a110e0031d
sha1: faa69de334d4757ccf1e3445aa608ab6a604a8d1
sha256: 389530d5d77982104b3e0274920f9bc656610b01cc589ad7004f986d7d5dba5c
sha512: 25f1a5a991823d2ba1d4ead62abb92962ce60e117c9d33ade0153655a76dfd136db02bbefab087cb5d6b8220e824fe0d5149b7bd81941a60d162c070bf434025
ssdeep: 24576:kUaBlbgk/XZWvEENwkXpTZh1+p9EVyT6ZGQtfzXnO9p8ahOksh43VoqD:kvlrXZe/p29EVyez1OgahZL
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15D95E122F2A281F3E615157045BA27369630FA9A0B26CFDBD3A0DE7C6D33291D63711D
sha3_384: 93ca8c104d157f5dda3f1b92ce87e3e2dce7a4e41c3d1c4a20bda6dbdab7c44bb22131cb9616a85b2a9040594c512b0f
ep_bytes: 558bec6aff68e0f95a0068042c480064
timestamp: 2012-06-22 04:22:20

Version Info:

FileDescription: 易语言程序
ProductName: 易语言程序
LegalCopyright: 作者版权所有 请尊重并使用正版
Comments: 本程序使用易语言编写(http://www.eyuyan.com)
Translation: 0x0804 0x04b0

PUA:Win32/Puwaders.C!ml also known as:

K7AntiVirusTrojan ( 005acf531 )
K7GWTrojan ( 005acf531 )
CrowdStrikewin/malicious_confidence_70% (D)
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Packed.FlyStudio.AA potentially unwanted
RisingTrojan.Generic@AI.99 (RDML:odniDo8uMxsEFK7/h2dLpw)
EmsisoftApplication.Generic (A)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=80)
CynetMalicious (score: 100)
AVGWin32:MalwareX-gen [Trj]
AvastWin32:MalwareX-gen [Trj]

How to remove PUA:Win32/Puwaders.C!ml?

PUA:Win32/Puwaders.C!ml malware is extremely hard to remove manually. It places its data in a variety of locations throughout the disk, and can get back itself from one of the parts. In addition, a number of modifications in the registry, networking settings and Group Policies are fairly hard to identify and revert to the original. It is far better to utilize a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination objectives.

Remove PUA:Win32/Puwaders.C!ml 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 PUA:Win32/Puwaders.C!ml 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.


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 PUA:Win32/Puwaders.C!ml 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 PUA:Win32/Puwaders.C!ml 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 PUA:Win32/Puwaders.C!ml 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 “PUA:Win32/Puwaders.C!ml” 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 PUA:Win32/Puwaders.C!ml Virus

Step 4: Remove Found Threats:

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

Searching PUA:Win32/Puwaders.C!ml 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 PUA:Win32/Puwaders.C!ml 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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