TrojanDropper:Win32/Pykspa!pz Virus Removal

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

Seeing the TrojanDropper:Win32/Pykspa!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 forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.

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TrojanDropper:Win32/Pykspa!pz detection is a virus detection you can spectate in your system. It usually shows up after the preliminary activities on your computer – opening the untrustworthy email messages, clicking the banner in the Web or mounting the program from untrustworthy resources. From the moment it appears, you have a short time to act before it starts its harmful activity. And be sure – it is better not to wait for these harmful actions.

What is TrojanDropper:Win32/Pykspa!pz virus?

TrojanDropper:Win32/Pykspa!pz is ransomware-type malware. It looks for the documents on your disk drives, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a ton of harm to your system. It alters the networking setups in order to prevent you from reading the removal tutorials or downloading the anti-malware program. In some cases, TrojanDropper:Win32/Pykspa!pz can also block the setup of anti-malware programs.

TrojanDropper:Win32/Pykspa!pz Summary

In summary, TrojanDropper:Win32/Pykspa!pz ransomware actions in the infected PC are next:

  • Drops a binary and executes it;
  • Authenticode signature is invalid;
  • Attempts to disable UAC;
  • Attempts to modify UAC prompt behavior;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the documents located on the target’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a headache for the last 4 years. It is hard to picture a more hazardous virus for both individuals and corporations. The algorithms utilized in TrojanDropper:Win32/Pykspa!pz (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. But that malware does not do all these horrible things instantly – it can require up to a few hours to cipher all of your files. Thus, seeing the TrojanDropper:Win32/Pykspa!pz detection is a clear signal that you must begin the clearing procedure.

Where did I get the TrojanDropper:Win32/Pykspa!pz?

Standard ways of TrojanDropper:Win32/Pykspa!pz distribution are basic for all other ransomware examples. Those are one-day landing web pages 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 email that mimics some routine notifications about shippings or bank service conditions updates. Inside of the email, there is a malicious 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 quite easy, however, still demands a lot of focus. Malware can hide in different places, and it is much better to prevent it even before it goes into your PC than to rely upon an anti-malware program. General cybersecurity awareness is just an important item in the modern world, even if your interaction with a computer remains on YouTube videos. That may save you a lot of time and money which you would certainly spend while looking for a solution.

TrojanDropper:Win32/Pykspa!pz malware technical details

File Info:

name: 5399091B8EF6A6F9B09C.mlw
path: /opt/CAPEv2/storage/binaries/6f24a84d2036c31db3d318b6c1fe1d153763217f3f558f78fd2fc3b5e2f4cf92
crc32: 213A05C4
md5: 5399091b8ef6a6f9b09c70954f5d2114
sha1: 9a826ce0c069b04e5595a5ffb161f3ddc386405b
sha256: 6f24a84d2036c31db3d318b6c1fe1d153763217f3f558f78fd2fc3b5e2f4cf92
sha512: cca0018d24c9dad974ef72e3146ce28359c29481fb82a7c0b7474f51430ecb997c18e32da107b5cf4b404bb17a0836fac268473fc34dc8bea8a2016ca46be4c9
ssdeep: 6144:I1Qv8rK3FQp4LGCr9a9n4FRm6RGMXKq6QFHgTr4186JQPDHDdx/Qtqa:1OkiCpat4FU6JXKqtZgcPJQPDHvd
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T112E5C02AB781C8F2C441803172D5AE236DF56C700656A76BEB508F452FF59E9E32A34F
sha3_384: 1850416cba1d3888ca30f874a19340b816df95550bed65013ce0ee8b701393f07a596c8c6265722ab09b87e2f9303524
ep_bytes: 6a6068f8b74200e8edf7ffffbf940000
timestamp: 2006-12-09 07:17:27

Version Info:

0: [No Data]

TrojanDropper:Win32/Pykspa!pz also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 003da8d71 )
K7GWTrojan ( 003da8d71 )
AvastWin32:Renos-KY [Trj]
EmsisoftTrojan.Agent.EFYN (B)
CynetMalicious (score: 100)
MAXmalware (ai score=83)
RisingWorm.Autorun!1.BC87 (CLASSIC)
SentinelOneStatic AI – Malicious PE
AVGWin32:Renos-KY [Trj]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove TrojanDropper:Win32/Pykspa!pz?

TrojanDropper:Win32/Pykspa!pz malware is extremely difficult to remove manually. It puts its documents in multiple locations throughout the disk, and can restore itself from one of the parts. In addition, a range of changes in the windows registry, networking settings and also Group Policies are fairly hard to find and return to the initial. It is far better to utilize a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus removal purposes.

Remove TrojanDropper:Win32/Pykspa!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 TrojanDropper:Win32/Pykspa!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 TrojanDropper:Win32/Pykspa!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 TrojanDropper:Win32/Pykspa!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 TrojanDropper:Win32/Pykspa!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 “TrojanDropper:Win32/Pykspa!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 TrojanDropper:Win32/Pykspa!pz Virus

Step 4: Remove Found Threats:

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

Searching TrojanDropper:Win32/Pykspa!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 TrojanDropper:Win32/Pykspa!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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