Trojan:MSIL/AgentTesla.KAAO!MTB Virus Removal

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

Seeing the Trojan:MSIL/AgentTesla.KAAO!MTB detection name means that your computer is in big danger. This malware can correctly be identified as ransomware – virus which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.

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Trojan:MSIL/AgentTesla.KAAO!MTB detection is a virus detection you can spectate in your computer. It usually shows up after the provoking activities on your computer – opening the dubious email messages, clicking the advertisement in the Internet or installing the program from suspicious resources. From the second it appears, you have a short time to do something about it until it starts its malicious action. And be sure – it is better not to await these malicious things.

What is Trojan:MSIL/AgentTesla.KAAO!MTB virus?

Trojan:MSIL/AgentTesla.KAAO!MTB is ransomware-type malware. It searches for the documents on your computer, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware also does a lot of damage to your system. It alters the networking setups in order to stop you from looking for the removal guides or downloading the antivirus. In some cases, Trojan:MSIL/AgentTesla.KAAO!MTB can also prevent the setup of anti-malware programs.

Trojan:MSIL/AgentTesla.KAAO!MTB Summary

In summary, Trojan:MSIL/AgentTesla.KAAO!MTB virus activities in the infected PC are next:

  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Ciphering the files located on the victim’s drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus apps
  • 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 harmful virus for both individuals and companies. The algorithms used in Trojan:MSIL/AgentTesla.KAAO!MTB (usually, 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. However, that malware does not do all these terrible things immediately – it may take up to several hours to cipher all of your files. Thus, seeing the Trojan:MSIL/AgentTesla.KAAO!MTB detection is a clear signal that you have to start the elimination procedure.

Where did I get the Trojan:MSIL/AgentTesla.KAAO!MTB?

Common methods of Trojan:MSIL/AgentTesla.KAAO!MTB injection are basic for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a quite modern method in malware spreading – you receive the e-mail that simulates some standard notifications about shippings or bank service conditions modifications. Within the email, there is an infected MS Office file, or a web 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 uncomplicated, but still demands a lot of focus. Malware can hide in different places, and it is far better to prevent it even before it goes into your PC than to depend on an anti-malware program. Essential cybersecurity awareness is just an essential item in the modern world, even if your relationship with a PC stays on YouTube videos. That may save you a lot of time and money which you would certainly spend while looking for a fixing guide.

Trojan:MSIL/AgentTesla.KAAO!MTB malware technical details

File Info:

name: F2E349D86B057BA53A1B.mlw
path: /opt/CAPEv2/storage/binaries/207bfbe64871f4b4140f97ed5c877283469a344339d96a909c99f5067ecf0aac
crc32: CF0AC45F
md5: f2e349d86b057ba53a1b8e7dcc595ac5
sha1: 578603ffc80014db69bbc9328fec0c231c4ec81a
sha256: 207bfbe64871f4b4140f97ed5c877283469a344339d96a909c99f5067ecf0aac
sha512: af7aac607fc5abd8938baabeccd59cec85db516b663f319144336b49d70ad282005d325ac447e9ed40615ca52b4bde033b8de1562de6bbdac6bcdc922afa5590
ssdeep: 384:mpfOEQv+iA8Cnepmwww6BKpwWowwwlpESUJXtdhVm13jWtSHPWcAwaYi:CncRpESUJXtdhVm13jWtSHPWcFaYi
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E004C952EBB6EF30CE340A3FC245B3255F2E5E9181F27D8E304DB1652EB9D01D5446AA
sha3_384: fc4e334c22cf917cc4c827dea62d62ebf42c4c8afb59f8e530da27a50422963582d88a51227862acb70e43e0353013cb
ep_bytes: ff25d43040000000000000000000a830
timestamp: 2023-08-22 03:47:25

Version Info:

Translation: 0x0000 0x04b0
Comments:
CompanyName:
FileDescription:
FileVersion: 1.0.0.0
InternalName: Zyuyaai.exe
LegalCopyright:
LegalTrademarks:
OriginalFilename: Zyuyaai.exe
ProductName:
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

Trojan:MSIL/AgentTesla.KAAO!MTB also known as:

LionicTrojan.Win32.Seraph.j!c
MicroWorld-eScanIL:Trojan.MSILZilla.31217
SkyhighRDN/Generic Downloader.x
ALYacIL:Trojan.MSILZilla.28764
MalwarebytesTrojan.MalPack.MSIL.Generic
VIPREIL:Trojan.MSILZilla.28764
SangforDownloader.Msil.Agent.Vi7q
K7AntiVirusTrojan-Downloader ( 005aa3481 )
BitDefenderIL:Trojan.MSILZilla.31217
K7GWTrojan-Downloader ( 005aa3481 )
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderThetaGen:NN.ZemsilF.36792.km0@aemaMhh
VirITTrojan.Win32.DownLoader19.VVA
SymantecTrojan.Gen.MBT
Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/TrojanDownloader.Agent.POM
CynetMalicious (score: 100)
APEXMalicious
KasperskyHEUR:Trojan-Ransom.Win32.Blocker.pef
AlibabaTrojanDownloader:MSIL/Seraph.683c4315
NANO-AntivirusTrojan.Win32.Blocker.kdcdbw
ViRobotTrojan.Win.Z.Lazy.173056
SophosMal/Generic-S
F-SecureTrojan.TR/Dldr.Agent.mbbcv
DrWebTrojan.DownLoader46.714
ZillyaDownloader.Seraph.Win32.4354
TrendMicroTrojan.MSIL.SERAPH.USPAXHP23
FireEyeGeneric.mg.f2e349d86b057ba5
EmsisoftIL:Trojan.MSILZilla.31217 (B)
IkarusTrojan-Downloader.MSIL.Agent
GDataIL:Trojan.MSILZilla.31217
WebrootW32.Trojan.MSIL.Seraph
VaristW32/MSIL_Kryptik.DBS.gen!Eldorado
AviraTR/Dldr.Agent.mbbcv
Antiy-AVLTrojan[Ransom]/Win32.Blocker
KingsoftWin32.Trojan-Ransom.Blocker.pef
ArcabitIL:Trojan.MSILZilla.D79F1
ZoneAlarmHEUR:Trojan-Ransom.Win32.Blocker.pef
MicrosoftTrojan:MSIL/AgentTesla.KAAO!MTB
GoogleDetected
AhnLab-V3Malware/Win.Generic.C5474856
McAfeeRDN/Generic Downloader.x
MAXmalware (ai score=81)
DeepInstinctMALICIOUS
Cylanceunsafe
PandaTrj/Chgt.AD
TrendMicro-HouseCallTrojan.MSIL.SERAPH.USPAXHP23
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.Igent.b0Ix0Q.4
SentinelOneStatic AI – Malicious PE
FortinetMSIL/Agent.POM!tr.dldr
AVGWin32:PWSX-gen [Trj]
AvastWin32:PWSX-gen [Trj]

How to remove Trojan:MSIL/AgentTesla.KAAO!MTB?

Trojan:MSIL/AgentTesla.KAAO!MTB malware is extremely hard to eliminate manually. It stores its files in a variety of places throughout the disk, and can recover itself from one of the parts. Additionally, numerous changes in the registry, networking configurations and also Group Policies are really hard to find and revert to the initial. It is much better to utilize a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal goals.

Remove Trojan:MSIL/AgentTesla.KAAO!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 Trojan:MSIL/AgentTesla.KAAO!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 gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

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 Trojan:MSIL/AgentTesla.KAAO!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 Trojan:MSIL/AgentTesla.KAAO!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 Trojan:MSIL/AgentTesla.KAAO!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 “Trojan:MSIL/AgentTesla.KAAO!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 (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 Trojan:MSIL/AgentTesla.KAAO!MTB Virus

Step 4: Remove Found Threats:

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

Searching Trojan:MSIL/AgentTesla.KAAO!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 Trojan:MSIL/AgentTesla.KAAO!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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