Ransom:Win32/StopCrypt.SAJ!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SAJ!MTB detection name usually means that your PC is in big danger. This malware can correctly be named 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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Ransom:Win32/StopCrypt.SAJ!MTB detection is a malware detection you can spectate in your system. It frequently shows up after the preliminary activities on your PC – opening the dubious e-mail, clicking the advertisement in the Internet or setting up the program from suspicious resources. From the moment it appears, you have a short time to do something about it until it starts its destructive action. And be sure – it is far better not to wait for these malicious things.

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

Ransom:Win32/StopCrypt.SAJ!MTB is ransomware-type malware. It looks for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of damage to your system. It changes the networking setups in order to prevent you from looking for the removal manuals or downloading the antivirus. In some cases, Ransom:Win32/StopCrypt.SAJ!MTB can also block the setup of anti-malware programs.

Ransom:Win32/StopCrypt.SAJ!MTB Summary

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

  • Behavioural detection: Executable code extraction – unpacking;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Saami;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the documents kept on the victim’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a horror story for the last 4 years. It is hard to realize a more hazardous virus for both individual users and businesses. The algorithms utilized in Ransom:Win32/StopCrypt.SAJ!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. However, that virus does not do all these bad things without delay – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/StopCrypt.SAJ!MTB detection is a clear signal that you should begin the removal procedure.

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

General ways of Ransom:Win32/StopCrypt.SAJ!MTB spreading are typical for all other ransomware variants. Those are one-day landing sites where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a quite new tactic in malware spreading – you get the e-mail that mimics some routine notifications about deliveries or bank service conditions shifts. Within the email, there is a malicious MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Preventing it looks fairly uncomplicated, but still requires tons of focus. Malware can hide in various places, and it is better to prevent it even before it goes into your system than to trust in an anti-malware program. Standard cybersecurity knowledge is just an essential item in the modern-day world, even if your interaction with a computer remains on YouTube videos. That can save you a great deal of time and money which you would spend while looking for a solution.

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

File Info:

name: 4841ED91528F3DA24D29.mlw
path: /opt/CAPEv2/storage/binaries/ece00f36b59c45049bd610f19c7e89e3ebac7858e749983ce841f5dd8f5abd96
crc32: C1931D53
md5: 4841ed91528f3da24d29409603edb357
sha1: b7eea4a500158697c7f403dc80d46aa8cdfa56d5
sha256: ece00f36b59c45049bd610f19c7e89e3ebac7858e749983ce841f5dd8f5abd96
sha512: 50d081765df631aeeb1a5b725c15c2c4cf18a45a349b98a07f2da9750d966b0d82bea2be5a05f79b627d5cec8be7bc1fc36e30dc5905063bf9c52fbd9a280858
ssdeep: 3072:Kjf+C31gE87VbIHhG8mrcw3mv7vcCd1wi/I3jafAvJ3:QWCKE879IHbv7vcCd1wF3OS
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16F148E2372E0A860E5725E31DD29D6E46EAEFD534E386A9B2334EB1F0D701E1C532752
sha3_384: 6b33039a2e263b5c6bc452ae930ec7e3c328b73970a2a20b0f3048db64dfb0dedfce9237cbfe2d4a118af12f875b56e1
ep_bytes: e8b4530000e989feffff8bff558bec83
timestamp: 2021-12-08 07:32:22

Version Info:

CompanyName: PakistanFood
FileDescription: Morricone
FileVersion: 25.77.48.49
InternalName: GorgerousOnce.exe
LegalTrademarks1: consultated
ProductName: HypsterWorld
Translation: 0x4047 0x0565

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

BkavW32.AIDetectMalware
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
FireEyeGeneric.mg.4841ed91528f3da2
ALYacGen:Variant.Zusy.451934
Cylanceunsafe
VIPREGen:Variant.Zusy.451934
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0059f7cb1 )
AlibabaBackdoor:MSIL/Convagent.c166571c
K7GWTrojan ( 0059f7cb1 )
Cybereasonmalicious.500158
CyrenW32/Agent.FRF.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HSXO
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Backdoor.MSIL.Convagent.gen
BitDefenderGen:Variant.Zusy.451934
NANO-AntivirusTrojan.Win32.Convagent.jvayom
MicroWorld-eScanGen:Variant.Zusy.451934
AvastWin32:DropperX-gen [Drp]
TencentTrojan.Win32.Obfuscated.gen
EmsisoftGen:Variant.Zusy.451934 (B)
F-SecureHeuristic.HEUR/AGEN.1310247
DrWebTrojan.DownLoader45.46826
ZillyaBackdoor.Convagent.Win32.2180
TrendMicroRansom_StopCrypt.R03BC0DC523
McAfee-GW-EditionBehavesLike.Win32.Lockbit.ch
Trapminemalicious.high.ml.score
SophosTroj/Krypt-VE
IkarusTrojan.Win32.Crypt
GDataGen:Variant.Zusy.451934
AviraHEUR/AGEN.1310247
Antiy-AVLTrojan/Win32.Sabsik
ArcabitTrojan.Zusy.D6E55E
ZoneAlarmHEUR:Backdoor.MSIL.Convagent.gen
MicrosoftRansom:Win32/StopCrypt.SAJ!MTB
GoogleDetected
AhnLab-V3Trojan/Win.Generic.R560826
McAfeeArtemis!4841ED91528F
MAXmalware (ai score=83)
VBA32BScope.Trojan.CoinMiner
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_StopCrypt.R03BC0DC523
RisingStealer.Agent!8.C2 (TFE:5:6eHKPETpV5B)
YandexTrojan.Kryptik!PJyQayVRziU
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.HSXO!tr
AVGWin32:DropperX-gen [Drp]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (W)

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

Ransom:Win32/StopCrypt.SAJ!MTB malware is incredibly hard to eliminate by hand. It puts its files in numerous locations throughout the disk, and can restore itself from one of the parts. Furthermore, a number of modifications in the windows registry, networking configurations and also Group Policies are really hard to discover and change to the original. It is much better to use a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal goals.

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

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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