Ransom:Win32/StopCrypt.SAC!MTB Virus Removal

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

Spectating the Ransom:Win32/StopCrypt.SAC!MTB detection usually means that your PC is in big danger. This malware can correctly be identified as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.

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Ransom:Win32/StopCrypt.SAC!MTB detection is a malware detection you can spectate in your system. It often appears after the provoking procedures on your PC – opening the untrustworthy e-mail, clicking the banner in the Web or installing the program from unreliable sources. From the instance it appears, you have a short time to act before it starts its destructive activity. And be sure – it is far better not to await these destructive effects.

What is Ransom:Win32/StopCrypt.SAC!MTB virus?

Ransom:Win32/StopCrypt.SAC!MTB is ransomware-type malware. It looks for the documents on your disks, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus also does a lot of harm to your system. It changes the networking settings in order to prevent you from checking out the removal tutorials or downloading the anti-malware program. In some cases, Ransom:Win32/StopCrypt.SAC!MTB can even prevent the launching of anti-malware programs.

Ransom:Win32/StopCrypt.SAC!MTB Summary

In summary, Ransom:Win32/StopCrypt.SAC!MTB malware actions in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Slovak;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • CAPE detected the shellcode get eip malware family;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Yara detections observed in process dumps, payloads or dropped files;
  • Encrypting the documents kept on the target’s drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more hazardous malware for both individual users and corporations. The algorithms utilized in Ransom:Win32/StopCrypt.SAC!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 without delay – it may take up to a few hours to cipher all of your documents. Thus, seeing the Ransom:Win32/StopCrypt.SAC!MTB detection is a clear signal that you have to start the removal process.

Where did I get the Ransom:Win32/StopCrypt.SAC!MTB?

Routine ways of Ransom:Win32/StopCrypt.SAC!MTB spreading are common for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a pretty new strategy in malware distribution – you receive the e-mail that imitates some normal notifications about shipments or bank service conditions updates. Inside of the email, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks quite easy, however, still needs tons of awareness. Malware can hide in various places, and it is much better to stop it even before it gets into your PC than to rely upon an anti-malware program. General cybersecurity awareness is just an essential thing in the modern world, even if your relationship with a computer stays on YouTube videos. That may save you a lot of money and time which you would certainly spend while looking for a fixing guide.

Ransom:Win32/StopCrypt.SAC!MTB malware technical details

File Info:

name: 3B3A214C947D910CF8FB.mlw
path: /opt/CAPEv2/storage/binaries/2105e00a54f1b79f80f312b0b58331d2b5df0cfac1a54aae8fda47a166053717
crc32: C77F03E6
md5: 3b3a214c947d910cf8fbeab97470168e
sha1: 9820bdf07aded15a2a3bdb35220abfff4c61e062
sha256: 2105e00a54f1b79f80f312b0b58331d2b5df0cfac1a54aae8fda47a166053717
sha512: 39f9efa695c8a3bbd3a238fa238b25c3c8c9bad7ab17bf25b8c99b2e73f60ef5bcf7c46d595f383fb0e03fedae5e5673006a2de9956e6182e8593805b658ec05
ssdeep: 3072:H6XVF+dKLkHQwta5Q70nKLFZIi3UIwnTQBSojG2AxKAxDFRcAGtjkysbxUB:6VF+QLkxtD7x+QBjj/GXD3cAyjcbxS
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F764CF1173B5AC62D81252758C17FBEC6AFD7D228AE05A376318365F1EBC3A0D232275
sha3_384: dc35cb5bb78847d326b4ac9a19c9a61e9ec1f3e9125db7e499f7519054c81aa2cc599966e5a3d62288d58d73221b60e0
ep_bytes: e82c440000e979feffffcccccccccccc
timestamp: 2022-06-07 14:08:05

Version Info:

FileVersions: 38.64.16.63
InternationalName: polpwaoce.iwe
Copyright: Copyright (C) 2022, somoklos
ProjectsVersion: 12.40.52.63

Ransom:Win32/StopCrypt.SAC!MTB also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.Mint.Zard.52
ClamAVWin.Packer.pkr_ce1a-9980177-0
SkyhighBehavesLike.Win32.Lockbit.fh
Cylanceunsafe
VIPREGen:Heur.Mint.Zard.52
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderGen:Heur.Mint.Zard.52
K7GWRiskware ( 0040eff71 )
CrowdStrikewin/malicious_confidence_100% (W)
VirITTrojan.Win32.Genus.DPKR
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Kryptik.HSEH
APEXMalicious
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Packed.gen
AlibabaRansom:Win32/StopCrypt.55699e58
NANO-AntivirusTrojan.Win32.MalwareCrypter.jufwlf
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
AvastWin32:PWSX-gen [Trj]
RisingTrojan.Kryptik!1.E238 (CLASSIC)
EmsisoftGen:Heur.Mint.Zard.52 (B)
F-SecureHeuristic.HEUR/AGEN.1316580
DrWebTrojan.Siggen19.27354
ZillyaTrojan.Kryptik.Win32.3992297
TrendMicroRansom.Win32.STOP.SMYXCLS.hp
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.3b3a214c947d910c
SophosTroj/Krypt-SY
IkarusTrojan.Win32.Krypt
JiangminTrojan.Packed.bcp
GoogleDetected
AviraHEUR/AGEN.1316580
Antiy-AVLTrojan/Win32.Sabsik
Kingsoftwin32.troj.undef.a
MicrosoftRansom:Win32/StopCrypt.SAC!MTB
XcitiumMalware@#2a4c66u64dg31
ArcabitTrojan.Mint.Zard.52
ZoneAlarmHEUR:Trojan.Win32.Packed.gen
GDataGen:Heur.Mint.Zard.52
VaristW32/Kryptik.IBG.gen!Eldorado
AhnLab-V3Malware/Win.Generic.R548642
Acronissuspicious
McAfeeRDN/Real Protect-PENGSD5
MAXmalware (ai score=80)
VBA32BScope.Backdoor.dcRAT
MalwarebytesGeneric.Crypt.Trojan.DDS
PandaTrj/RansomGen.A
TencentMalware.Win32.Gencirc.13b28df1
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.HSEH!tr
AVGWin32:PWSX-gen [Trj]
DeepInstinctMALICIOUS

How to remove Ransom:Win32/StopCrypt.SAC!MTB?

Ransom:Win32/StopCrypt.SAC!MTB malware is very hard to remove by hand. It stores its files in a variety of places throughout the disk, and can restore itself from one of the parts. In addition, various modifications in the windows registry, networking settings and also Group Policies are pretty hard to identify and change to the original. It is better to use a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination purposes.

Remove Ransom:Win32/StopCrypt.SAC!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 Ransom:Win32/StopCrypt.SAC!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 Ransom:Win32/StopCrypt.SAC!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 Ransom:Win32/StopCrypt.SAC!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 Ransom:Win32/StopCrypt.SAC!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 “Ransom:Win32/StopCrypt.SAC!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 Ransom:Win32/StopCrypt.SAC!MTB Virus

Step 4: Remove Found Threats:

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

Searching Ransom:Win32/StopCrypt.SAC!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 Ransom:Win32/StopCrypt.SAC!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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