TrojanDownloader:Win32/Ainslot.DAA!MTB Virus Removal

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

Spectating the TrojanDownloader:Win32/Ainslot.DAA!MTB detection means that your computer is in big danger. This virus can correctly be identified as ransomware – virus 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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TrojanDownloader:Win32/Ainslot.DAA!MTB detection is a virus detection you can spectate in your system. It frequently appears after the provoking activities on your PC – opening the suspicious email, clicking the advertisement in the Web or installing the program from unreliable sources. From the instance it shows up, you have a short time to take action before it starts its malicious activity. And be sure – it is better not to wait for these destructive effects.

What is TrojanDownloader:Win32/Ainslot.DAA!MTB virus?

TrojanDownloader:Win32/Ainslot.DAA!MTB is ransomware-type malware. It searches for the files on your disk, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware additionally does a lot of damage to your system. It modifies the networking setups in order to stop you from looking for the elimination guides or downloading the anti-malware program. In some cases, TrojanDownloader:Win32/Ainslot.DAA!MTB can additionally block the setup of anti-malware programs.

TrojanDownloader:Win32/Ainslot.DAA!MTB Summary

In summary, TrojanDownloader:Win32/Ainslot.DAA!MTB malware activities in the infected system are next:

  • Performs HTTP requests potentially not found in PCAP.;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Detects VMware through the presence of a registry key;
  • Attempts to modify proxy settings;
  • Encrypting the documents located on the victim’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a horror story for the last 4 years. It is difficult to realize a more harmful malware for both individual users and organizations. The algorithms used in TrojanDownloader:Win32/Ainslot.DAA!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it can take up to a few hours to cipher all of your documents. Therefore, seeing the TrojanDownloader:Win32/Ainslot.DAA!MTB detection is a clear signal that you have to begin the elimination process.

Where did I get the TrojanDownloader:Win32/Ainslot.DAA!MTB?

General ways of TrojanDownloader:Win32/Ainslot.DAA!MTB spreading are standard for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free program, so-called bait emails and hacktools. Bait emails are a relatively new method in malware distribution – you receive the e-mail that mimics some regular notifications about shipments or bank service conditions updates. Inside of 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.

Preventing it looks quite uncomplicated, but still requires tons of recognition. Malware can hide in various spots, and it is much better to prevent it even before it invades your computer than to trust in an anti-malware program. Common cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a PC remains on YouTube videos. That may keep you a lot of time and money which you would certainly spend while looking for a fixing guide.

TrojanDownloader:Win32/Ainslot.DAA!MTB malware technical details

File Info:

name: 0849453A2D3B991F40C9.mlw
path: /opt/CAPEv2/storage/binaries/68ce4c27840a78ddd5d8203d351a2d8951cbe3fc124d8eee4eb9507df9b23355
crc32: CB7FC634
md5: 0849453a2d3b991f40c9780b88a6ae8d
sha1: e24dc1cbc1737dba92b8d2190092294dc341ab2b
sha256: 68ce4c27840a78ddd5d8203d351a2d8951cbe3fc124d8eee4eb9507df9b23355
sha512: cec9fb14963b8afc0febeffb89569a6de979288c15c35dd9ba3a7d3d2765608bd4771047502bcecae7654580485e0dddcf417d21dcdd642b0fad538bd596e18b
ssdeep: 49152:YLof8Q8PcN/45z7p9PgYGG8BQBCqnNyA/jKWrBKbBuG4g:YLQwcO5F8eC+NV/18u
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14AB50245719580A6C7F53934D8EAC6790777BD2C4610A94B23F0BF2EBFBD1939220AC6
sha3_384: 542855381ea333449ae7b40711731eb89e2076d28709cbdcae8ec77d22aabb9ab382d6301c53e51561cbdcaeef47792c
ep_bytes: e843080000e97afeffff8b4df464890d
timestamp: 2019-12-01 04:48:11

Version Info:

0: [No Data]

TrojanDownloader:Win32/Ainslot.DAA!MTB also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan-Downloader ( 0055c93c1 )
K7GWTrojan-Downloader ( 0055c93c1 )
AvastWin32:LegionLoader-C [Drp]
EmsisoftGen:Variant.Doina.20962 (B)
SentinelOneStatic AI – Suspicious PE
CynetMalicious (score: 99)
MAXmalware (ai score=100)
RisingDownloader.Agent!8.B23 (TFE:5:44JkLzRw0dU)
AVGWin32:LegionLoader-C [Drp]
CrowdStrikewin/malicious_confidence_90% (W)

How to remove TrojanDownloader:Win32/Ainslot.DAA!MTB?

TrojanDownloader:Win32/Ainslot.DAA!MTB malware is very difficult to delete by hand. It puts its data in numerous places throughout the disk, and can get back itself from one of the elements. Moreover, a range of changes in the registry, networking setups and Group Policies are quite hard to discover and return to the initial. It is better to utilize a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination objectives.

Remove TrojanDownloader:Win32/Ainslot.DAA!MTB 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/Ainslot.DAA!MTB 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/Ainslot.DAA!MTB 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/Ainslot.DAA!MTB 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/Ainslot.DAA!MTB 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/Ainslot.DAA!MTB” 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/Ainslot.DAA!MTB Virus

Step 4: Remove Found Threats:

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

Searching TrojanDownloader:Win32/Ainslot.DAA!MTB 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/Ainslot.DAA!MTB 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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