TrojanDownloader:Win32/Upatre!pz Virus Removal

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

Spectating the TrojanDownloader:Win32/Upatre!pz detection name usually means that your computer is in big danger. This virus can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.

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TrojanDownloader:Win32/Upatre!pz detection is a malware detection you can spectate in your system. It often appears after the preliminary procedures on your PC – opening the suspicious e-mail messages, clicking the banner in the Web or installing the program from dubious sources. From the moment it shows up, you have a short time to act before it begins its destructive action. And be sure – it is much better not to wait for these harmful effects.

What is TrojanDownloader:Win32/Upatre!pz virus?

TrojanDownloader:Win32/Upatre!pz is ransomware-type malware. It searches for the documents on your computer, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus also does a lot of harm to your system. It changes the networking setups in order to stop you from reading the elimination guides or downloading the anti-malware program. Sometimes, TrojanDownloader:Win32/Upatre!pz can additionally block the launching of anti-malware programs.

TrojanDownloader:Win32/Upatre!pz Summary

Summarizingly, TrojanDownloader:Win32/Upatre!pz virus activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Performs HTTP requests potentially not found in PCAP.;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary contains an unknown PE section name indicative of packing;
  • Executable file is packed/obfuscated with MPRESS;
  • Authenticode signature is invalid;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the documents kept on the target’s disk 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 been a major problem for the last 4 years. It is difficult to imagine a more dangerous malware for both individuals and businesses. The algorithms utilized in TrojanDownloader:Win32/Upatre!pz (generally, 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 malware does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your files. Therefore, seeing the TrojanDownloader:Win32/Upatre!pz detection is a clear signal that you have to begin the clearing procedure.

Where did I get the TrojanDownloader:Win32/Upatre!pz?

Standard tactics of TrojanDownloader:Win32/Upatre!pz injection are standard for all other ransomware examples. 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 quite modern tactic in malware distribution – you get the email that mimics some routine notifications about shippings or bank service conditions shifts. Within the email, there is a corrupted MS Office file, or a link which opens 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 needs a lot of recognition. Malware can hide in different places, and it is far better to prevent it even before it goes into your system than to rely on an anti-malware program. Simple cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a great deal of time and money which you would certainly spend while seeking a solution.

TrojanDownloader:Win32/Upatre!pz malware technical details

File Info:

name: 0E9F1B04F4DCD11A7A59.mlw
path: /opt/CAPEv2/storage/binaries/733109bd3eeb030fcc968bb2326ad289bf50f23fcc53f326d58c9d640b9e6dae
crc32: DA7D8FA5
md5: 0e9f1b04f4dcd11a7a59371cbd3dffb2
sha1: ea52281083d9a4b75d87b7733937f95d305fa2d9
sha256: 733109bd3eeb030fcc968bb2326ad289bf50f23fcc53f326d58c9d640b9e6dae
sha512: 51f535f98f73c090e74e4e7d251b66afbee34a0dac3c2c0f6a6cd730916882de59644b13496c6a75f7fdc04e97eeb0700133eecc623ce098a3e90e55cd08b2f9
ssdeep: 384:TgEaziQIBt8yguzjEBNQiviL//U8zYpDc7+57ERkhNAdrHzd2U:T7a/6BlSvW//pzW7QBkU
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T122B3E8F23FD99B3EF33FDEB589F580CAA83474115C42941D6094864B0863696DDFCA1A
sha3_384: 98e9922e1a4090f8a996622f05d11bcd04e59598b396f64d968dd8dd9adb86246087b15e9abd6353a2a5d149ad5729c0
ep_bytes: 837c24120ae8b6ffffff29d101c1e889
timestamp: 2004-05-28 09:53:59

Version Info:

0: [No Data]

TrojanDownloader:Win32/Upatre!pz also known as:

K7AntiVirusTrojan ( 0052964f1 )
K7GWTrojan ( 0052964f1 )
CrowdStrikewin/malicious_confidence_100% (W)
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
RisingDownloader.Upatre!8.B5 (TFE:5:nWFyk4X9xiM)
EmsisoftGen:Variant.Fugrafa.251293 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=88)
AVGWin32:Waski-B [Cryp]
AvastWin32:Waski-B [Cryp]

How to remove TrojanDownloader:Win32/Upatre!pz?

TrojanDownloader:Win32/Upatre!pz malware is incredibly difficult to delete manually. It puts its documents in multiple locations throughout the disk, and can recover itself from one of the parts. In addition, a lot of alterations in the windows registry, networking configurations and Group Policies are pretty hard to find and revert to the initial. It is better to utilize a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination reasons.

Remove TrojanDownloader:Win32/Upatre!pz 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 TrojanDownloader:Win32/Upatre!pz 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 TrojanDownloader:Win32/Upatre!pz 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 TrojanDownloader:Win32/Upatre!pz 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 TrojanDownloader:Win32/Upatre!pz 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 “TrojanDownloader:Win32/Upatre!pz” 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 TrojanDownloader:Win32/Upatre!pz Virus

Step 4: Remove Found Threats:

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

Searching TrojanDownloader:Win32/Upatre!pz 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 TrojanDownloader:Win32/Upatre!pz 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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