Ransom:Win32/StopCrypt.PAG!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/StopCrypt.PAG!MTB detection usually means that your system is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.
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Ransom:Win32/StopCrypt.PAG!MTB detection is a malware detection you can spectate in your system. It frequently appears after the provoking procedures on your computer – opening the untrustworthy email messages, clicking the advertisement in the Web or installing the program from dubious resources. From the moment it shows up, you have a short time to act until it starts its destructive activity. And be sure – it is better not to await these destructive effects.

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

Ransom:Win32/StopCrypt.PAG!MTB is ransomware-type malware. It looks for the documents on your disk drives, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of damage to your system. It modifies the networking settings in order to avoid you from checking out the removal articles or downloading the anti-malware program. In some cases, Ransom:Win32/StopCrypt.PAG!MTB can even stop the launching of anti-malware programs.

Ransom:Win32/StopCrypt.PAG!MTB Summary

Summarizingly, Ransom:Win32/StopCrypt.PAG!MTB ransomware activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Divehi;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the files located on the target’s disk drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a horror story for the last 4 years. It is difficult to imagine a more hazardous malware for both individuals and corporations. The algorithms used in Ransom:Win32/StopCrypt.PAG!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 instantly – it may take up to a few hours to cipher all of your files. Thus, seeing the Ransom:Win32/StopCrypt.PAG!MTB detection is a clear signal that you should begin the removal process.

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

Standard tactics of Ransom:Win32/StopCrypt.PAG!MTB spreading are typical for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait emails are a pretty new method in malware distribution – you receive the e-mail that simulates some normal notifications about shippings or bank service conditions changes. Within the email, there is a malicious MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks fairly easy, however, still requires a lot of focus. Malware can hide in different places, and it is far better to prevent it even before it invades your computer than to rely on an anti-malware program. Essential cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a computer stays on YouTube videos. That can keep you a lot of money and time which you would spend while seeking a solution.

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

File Info:

name: 6CF7E5455FBC731BED78.mlw
path: /opt/CAPEv2/storage/binaries/05e4ee93adfe3d4e85044056e9c9d0165272646897258550e415b879e24bf3f8
crc32: 5E0899E2
md5: 6cf7e5455fbc731bed78a51801a6ac5a
sha1: 1662d13db530d8240b0df5137cdea7c636ee1208
sha256: 05e4ee93adfe3d4e85044056e9c9d0165272646897258550e415b879e24bf3f8
sha512: ca370dd3f3c23790911a7c66dbdb81fd074923ed096dd7bc580d843624aa5b3ff4ec192e7a12f286887276671ee899c720f3600dbb52217cf1f511199fc8df0b
ssdeep: 3072:ejrty/MZbTKqZyxG6/eQZ5DDdkgKE5hp8brkG9IhfvjN28oOqX+Wd9eUhZ++rcEH:OkqZoD5vBR80XxgXHJhrc2JLQa6e
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C1748D10B7A0C434F5B723F849B9A2A9B93E7DA16B3491CF53C426EA56346E0EC31357
sha3_384: c907e4e073a980f015caa4079683e308a809d55c3ad172dde756e3c0b26777dfd1979d39dc193c1c9da847f401ff84d9
ep_bytes: 8bff558bece8a6920000e8110000005d
timestamp: 2020-10-07 03:27:43

Version Info:

0: [No Data]

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

BkavW32.AIDetect.malware1
LionicTrojan.Win32.Convagent.4!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Raccrypt
ALYacTrojan.GenericKD.47784744
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0058a5a11 )
AlibabaRansom:Win32/StopCrypt.3838adb0
K7GWTrojan ( 0058a5a11 )
CrowdStrikewin/malicious_confidence_80% (W)
CyrenW32/Kryptik.FSC.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HNVS
BaiduWin32.Trojan.Kryptik.jm
APEXMalicious
AvastWin32:CrypterX-gen [Trj]
ClamAVWin.Malware.Generic-9927399-0
KasperskyHEUR:Trojan.Win32.Chapak.pef
BitDefenderTrojan.GenericKD.47784744
MicroWorld-eScanTrojan.GenericKD.47784744
TencentBackdoor.Win32.Tofsee.16000134
Ad-AwareTrojan.GenericKD.47784744
SophosMal/Generic-S + Troj/Krypt-FV
F-SecureHeuristic.HEUR/AGEN.1210730
DrWebTrojan.DownLoader44.26551
TrendMicroTrojan.Win32.SMOKELOADER.YXBL5Z
McAfee-GW-EditionBehavesLike.Win32.MultiPlug.fm
FireEyeGeneric.mg.6cf7e5455fbc731b
EmsisoftTrojan.GenericKD.47784744 (B)
IkarusTrojan.Win32.Raccrypt
GDataWin32.Trojan.BSE.ZUWFTJ
JiangminTrojanSpy.Stealer.mgj
AviraHEUR/AGEN.1210730
ArcabitTrojan.Generic.D2D92328
MicrosoftRansom:Win32/StopCrypt.PAG!MTB
AhnLab-V3Infostealer/Win.SmokeLoader.R461694
Acronissuspicious
McAfeePacked-GEE!6CF7E5455FBC
MAXmalware (ai score=84)
VBA32Trojan.Convagent
MalwarebytesTrojan.MalPack.GS
TrendMicro-HouseCallTrojan.Win32.SMOKELOADER.YXBL5Z
RisingMalware.Obscure!1.A3BB (CLOUD)
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_94%
FortinetW32/Kryptik.HNWJ!tr
AVGWin32:CrypterX-gen [Trj]
Cybereasonmalicious.db530d
Paloaltogeneric.ml
MaxSecureTrojan.Malware.300983.susgen

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

Ransom:Win32/StopCrypt.PAG!MTB malware is extremely hard to remove by hand. It stores its documents in a variety of locations throughout the disk, and can restore itself from one of the elements. Furthermore, a range of alterations in the registry, networking setups and Group Policies are really hard to identify and return to the original. It is far better to use a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for virus removal objectives.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated almost every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for eliminating malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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