Trojan:MSIL/AgentTesla Virus Removal

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

Spectating the Trojan:MSIL/AgentTesla detection means that your system is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.

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Trojan:MSIL/AgentTesla detection is a malware detection you can spectate in your system. It usually shows up after the preliminary procedures on your PC – opening the dubious e-mail, clicking the advertisement in the Web or mounting the program from unreliable sources. From the moment it appears, you have a short time to take action before it begins its malicious action. And be sure – it is better not to await these malicious things.

What is Trojan:MSIL/AgentTesla virus?

Trojan:MSIL/AgentTesla is ransomware-type malware. It looks for the files on your disk drives, 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 settings in order to prevent you from checking out the removal tutorials or downloading the anti-malware program. In rare cases, Trojan:MSIL/AgentTesla can even prevent the launching of anti-malware programs.

Trojan:MSIL/AgentTesla Summary

In summary, Trojan:MSIL/AgentTesla malware activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities to create a scheduled task;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Behavioural detection: Injection with CreateRemoteThread in a remote process;
  • Behavioural detection: Transacted Hollowing;
  • CAPE detected the NanoCore malware family;
  • Creates a copy of itself;
  • Deletes executed files from disk;
  • Collects information to fingerprint the system;
  • Yara detections observed in process dumps, payloads or dropped files;
  • Encrypting the documents kept on the victim’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a nightmare for the last 4 years. It is hard to imagine a more dangerous virus for both individuals and corporations. The algorithms utilized in Trojan:MSIL/AgentTesla (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these horrible things immediately – it can require up to several hours to cipher all of your documents. Therefore, seeing the Trojan:MSIL/AgentTesla detection is a clear signal that you have to start the clearing procedure.

Where did I get the Trojan:MSIL/AgentTesla?

Usual methods of Trojan:MSIL/AgentTesla distribution are common for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free program, so-called bait emails and hacktools. Bait e-mails are a quite new method in malware spreading – you get the e-mail that simulates some regular notifications about shippings or bank service conditions updates. Inside of the e-mail, there is a corrupted 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 fairly easy, however, still demands tons of awareness. Malware can hide in various places, and it is far better to prevent it even before it goes into your PC than to depend on an anti-malware program. Simple cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a PC stays on YouTube videos. That may keep you a great deal of time and money which you would certainly spend while trying to find a fix guide.

Trojan:MSIL/AgentTesla malware technical details

File Info:

name: 38E351326F048F52A0F7.mlw
path: /opt/CAPEv2/storage/binaries/025320d6ce5434ad22959bf2ab41a6189341320d28a27420995ea786609e60fb
crc32: 8809E105
md5: 38e351326f048f52a0f765e7245f3c20
sha1: 0e62c14521c6f3909812b1088a3487b1f1ce327d
sha256: 025320d6ce5434ad22959bf2ab41a6189341320d28a27420995ea786609e60fb
sha512: f2fbe0f8aeec434fdfb3467ef93a88a877da58419bcb989f6c1651151fc43b799eb969f79c7b23e43c293173a9ec36dfebc1d987ca578606e57f356cbba189ab
ssdeep: 6144:GCYXd8iP/jflciaFZTs92W0tfmogKZZNQnMI7FJO+7WWzJqQNYJx14gawS:4dXDtKe2W23ZDQnM0B7WWzJq9ja
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T188C4CF106AFBDD3DE6726A3B4BD0765F8F2E6FA14562784F2058721B5E36D00CF4026A
sha3_384: 74d28d43944ef089ae5021804532a5e83cc9fa283b0f1b327bb6a8508ba7dc07a2ed48f7db06afd08e78e3ca5d7aa111
ep_bytes: ff250020400000000000000000000000
timestamp: 2019-11-03 23:42:40

Version Info:

Translation: 0x0000 0x04b0
Comments:
CompanyName: Washington State Employment Security
FileDescription: MultithreadingPractice
FileVersion: 1.0.0.0
InternalName: MultithreadingPractice.exe
LegalCopyright: Copyright © Washington State Employment Security 2018
LegalTrademarks:
OriginalFilename: MultithreadingPractice.exe
ProductName: MultithreadingPractice
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

Trojan:MSIL/AgentTesla also known as:

Bkav W32.AIDetectMalware.CS
Lionic Trojan.MSIL.Crypt.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.Loki.16860
FireEye Generic.mg.38e351326f048f52
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
Skyhigh GenericRXJB-AN!38E351326F04
McAfee GenericRXJB-AN!38E351326F04
Cylance unsafe
Zillya Trojan.Kryptik.Win32.1850674
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/starter.ali1000139
K7GW Trojan ( 0055ae581 )
K7AntiVirus Trojan ( 0055ae581 )
BitDefenderTheta Gen:NN.ZemsilF.36744.Jm0@ay5ZpUi
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.TOF
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.MSIL.Crypt.gen
BitDefender Gen:Variant.Ransom.Loki.16860
NANO-Antivirus Trojan.Win32.Crypt.ggdnud
Avast Win32:CrypterX-gen [Trj]
Tencent Msil.Trojan.Crypt.Mzfl
Emsisoft Gen:Variant.Ransom.Loki.16860 (B)
F-Secure Heuristic.HEUR/AGEN.1309271
DrWeb Trojan.Siggen8.53479
VIPRE Gen:Variant.Ransom.Loki.16860
Trapmine suspicious.low.ml.score
Sophos Mal/Generic-S
Ikarus Trojan-Spy.HawkEye
GData Gen:Variant.Ransom.Loki.16860
Jiangmin Trojan.MSIL.nijn
Webroot W32.Trojan.Gen
Google Detected
Avira HEUR/AGEN.1309271
Antiy-AVL Trojan/MSIL.Crypt
Kingsoft malware.kb.c.1000
Arcabit Trojan.Ransom.Loki.D41DC
ZoneAlarm HEUR:Trojan.MSIL.Crypt.gen
Microsoft Trojan:MSIL/AgentTesla
Varist W32/MSIL_Kryptik.DBS.gen!Eldorado
AhnLab-V3 Malware/Win32.RL_Generic.C3559039
ALYac Gen:Variant.Ransom.Loki.16860
MAX malware (ai score=87)
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/CI.A
Rising Malware.Obfus/[email protected] (RDM.MSIL2:HuvY501v4Xi3+Mh0U5/LJg)
Yandex Trojan.Crypt!vpqndLP1cH4
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.11716371.susgen
Fortinet MSIL/Kryptik.TOF!tr
AVG Win32:CrypterX-gen [Trj]
Cybereason malicious.521c6f
DeepInstinct MALICIOUS

How to remove Trojan:MSIL/AgentTesla?

Trojan:MSIL/AgentTesla malware is incredibly hard to delete manually. It stores its data in numerous locations throughout the disk, and can recover itself from one of the parts. Additionally, a lot of changes in the registry, networking setups and also Group Policies are quite hard to find and return to the initial. It is much better to use a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for virus removal reasons.

Remove Trojan:MSIL/AgentTesla 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 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 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 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 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” 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 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 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 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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