Trojan:Win32/Tofsee.YTA!MTB Virus Removal

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

Seeing the Trojan:Win32/Tofsee.YTA!MTB detection usually means that your PC is in big danger. This malware can correctly be identified as ransomware – virus which ciphers your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.

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Trojan:Win32/Tofsee.YTA!MTB detection is a malware detection you can spectate in your computer. It usually shows up after the provoking activities on your PC – opening the untrustworthy e-mail messages, clicking the banner in the Internet or setting up the program from suspicious resources. From the instance it appears, you have a short time to do something about it until it begins its harmful activity. And be sure – it is much better not to wait for these harmful effects.

What is Trojan:Win32/Tofsee.YTA!MTB virus?

Trojan:Win32/Tofsee.YTA!MTB is ransomware-type malware. It searches for the files on your disk drives, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus additionally does a ton of harm to your system. It modifies the networking setups in order to prevent you from reading the removal tutorials or downloading the antivirus. In some cases, Trojan:Win32/Tofsee.YTA!MTB can additionally stop the launching of anti-malware programs.

Trojan:Win32/Tofsee.YTA!MTB Summary

In total, Trojan:Win32/Tofsee.YTA!MTB ransomware activities in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Uses Windows utilities for basic functionality;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • CAPE detected the Tofsee malware family;
  • Deletes executed files from disk;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the documents kept on the target’s drives — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a headache for the last 4 years. It is challenging to realize a more hazardous malware for both individual users and organizations. The algorithms used in Trojan:Win32/Tofsee.YTA!MTB (typically, 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. But that malware does not do all these bad things instantly – it may require up to several hours to cipher all of your files. Hence, seeing the Trojan:Win32/Tofsee.YTA!MTB detection is a clear signal that you have to start the elimination process.

Where did I get the Trojan:Win32/Tofsee.YTA!MTB?

General tactics of Trojan:Win32/Tofsee.YTA!MTB injection are typical for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait emails are a pretty modern method in malware distribution – you get the e-mail that simulates some normal notifications about deliveries or bank service conditions updates. Inside of the e-mail, there is an infected MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty uncomplicated, however, still needs a lot of recognition. Malware can hide in various spots, and it is far better to stop it even before it goes into your computer than to depend on an anti-malware program. General cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a PC stays on YouTube videos. That may keep you a lot of money and time which you would spend while trying to find a fix guide.

Trojan:Win32/Tofsee.YTA!MTB malware technical details

File Info:

name: FD1B16509E6CABE95DEE.mlw
path: /opt/CAPEv2/storage/binaries/18b08e4a599217ea873fa9c94299c6d22e4ce961565fbb73efb0bd317eb40dc1
crc32: BB49250B
md5: fd1b16509e6cabe95deef547c2ae5f2f
sha1: 86840f1145d06ab04be5f968a3f362ff5d76d64f
sha256: 18b08e4a599217ea873fa9c94299c6d22e4ce961565fbb73efb0bd317eb40dc1
sha512: dbefc30116b9d3df94970a0342ab51ea57824bede6abb6bf9e8873880a92c54701ab3339ec65e30affe7ca9f0a09b35ebd2448eaf76ecad05cbac2a11870f1d1
ssdeep: 3072:29xdm7sMhs6Y28qryW6A4bdZc4nJcJW+XkmwVWf4rEVjSHwZROr4bpLkC:eIths6Y28ehy5nJcU6QrEVjWlr4a
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T160D65C398EF10668C138957C3FAF778897EF8AF3C599496A25444CD88C11F14B9AC36B
sha3_384: 63aed237082a5aba0f9402c3afcc3aa8311d486ec0990f2df919f11347ba26642cb6a85902c61eb314d3843d742a7565
ep_bytes: e8eb510000e978feffffcccccccccccc
timestamp: 2023-01-22 11:33:05

Version Info:

FileDescription: Astrophil
LegalCopyright: Copyright (C) 2022, Juniors
OriginalFilenames: Soldier
ProductsVersion: 2.70.36.47
ProductionVersion: 14.35.56.13
Translation: 0x25a9 0x0e94

Trojan:Win32/Tofsee.YTA!MTB also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
DrWebTrojan.Siggen22.9998
MicroWorld-eScanGen:Variant.Jaik.200825
ClamAVWin.Packer.pkr_ce1a-9980177-0
CAT-QuickHealRansom.Stop.P5
SkyhighBehavesLike.Win32.RealProtect.rz
ALYacGen:Variant.Jaik.200825
MalwarebytesTrojan.MalPack.GS
VIPREGen:Variant.Jaik.200825
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005ace911 )
K7GWTrojan ( 005ace911 )
CrowdStrikewin/malicious_confidence_100% (D)
ArcabitTrojan.Jaik.D31079
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Kryptik.HVHT
APEXMalicious
CynetMalicious (score: 100)
KasperskyHEUR:Backdoor.Win32.Tofsee.gen
BitDefenderGen:Variant.Jaik.200825
AvastWin32:DropperX-gen [Drp]
TencentTrojan.Win32.Obfuscated.gen
EmsisoftGen:Variant.Jaik.200825 (B)
F-SecureTrojan.TR/Crypt.XPACK.Gen
Trapminesuspicious.low.ml.score
FireEyeGeneric.mg.fd1b16509e6cabe9
SophosTroj/Krypt-VK
SentinelOneStatic AI – Suspicious PE
GoogleDetected
AviraTR/Crypt.XPACK.Gen
MAXmalware (ai score=83)
Antiy-AVLTrojan/Win32.Caynamer
MicrosoftTrojan:Win32/Tofsee.YTA!MTB
ZoneAlarmHEUR:Backdoor.Win32.Tofsee.gen
GDataGen:Variant.Jaik.200825
VaristW32/Kryptik.LCW.gen!Eldorado
AhnLab-V3Packed/Win.GEE.C5021929
VBA32BScope.Trojan.Agent
Cylanceunsafe
RisingTrojan.SmokeLoader!1.EF01 (CLASSIC)
IkarusTrojan.Win32.Azorult
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.ERHN!tr
AVGWin32:DropperX-gen [Drp]
Cybereasonmalicious.145d06
DeepInstinctMALICIOUS

How to remove Trojan:Win32/Tofsee.YTA!MTB?

Trojan:Win32/Tofsee.YTA!MTB malware is extremely difficult to delete manually. It puts its documents in multiple places throughout the disk, and can restore itself from one of the elements. Moreover, a lot of changes in the windows registry, networking setups and Group Policies are quite hard to discover and return to the initial. It is better to utilize a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal goals.

Remove Trojan:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!MTB Virus

Step 4: Remove Found Threats:

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

Searching Trojan:Win32/Tofsee.YTA!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:Win32/Tofsee.YTA!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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