Ransom:Win32/StopCrypt!MSR

Spectating the Ransom:Win32/StopCrypt!MSR detection usually means that your computer is in big danger. This computer virus can correctly be named as ransomware – virus which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.

Ransom:Win32/StopCrypt!MSR detection is a virus detection you can spectate in your computer. It usually shows up after the provoking procedures on your computer – opening the dubious email messages, clicking the banner in the Internet or mounting the program from unreliable sources. From the second it appears, you have a short time to act before it begins its destructive activity. And be sure – it is better not to wait for these malicious actions.

What is Ransom:Win32/StopCrypt!MSR virus?

Ransom:Win32/StopCrypt!MSR is ransomware-type malware. It searches for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware additionally does a lot of damage to your system. It alters the networking setups in order to prevent you from checking out the removal guides or downloading the antivirus. Sometimes, Ransom:Win32/StopCrypt!MSR can additionally block the launching of anti-malware programs.

Ransom:Win32/StopCrypt!MSR Summary

Summarizingly, Ransom:Win32/StopCrypt!MSR virus actions in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • At least one process apparently crashed during execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Starts servers listening on 127.0.0.1:0;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Created a process from a suspicious location;
  • Steals private information from local Internet browsers;
  • CAPE detected the DLInjector03 malware family;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Attempts to disable Windows Defender;
  • Encrypting the documents kept on the target’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is challenging to realize a more hazardous virus for both individuals and companies. The algorithms used in Ransom:Win32/StopCrypt!MSR (usually, 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 already exists, and possibly will exist. But that virus does not do all these terrible things instantly – it may take up to a few hours to cipher all of your files. Hence, seeing the Ransom:Win32/StopCrypt!MSR detection is a clear signal that you have to start the elimination process.

Where did I get the Ransom:Win32/StopCrypt!MSR?

Usual ways of Ransom:Win32/StopCrypt!MSR distribution are standard for all other ransomware examples. Those are one-day landing websites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a pretty new tactic in malware distribution – you get the e-mail that simulates some normal notifications about shipments or bank service conditions updates. Inside of the email, there is a malicious 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 simple, however, still needs a lot of focus. Malware can hide in various spots, and it is far better to prevent it even before it gets into your computer than to rely on an anti-malware program. Standard cybersecurity awareness 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.

Ransom:Win32/StopCrypt!MSR malware technical details

File Info:

name: 2A0A05BCAE0114F54320.mlwpath: /opt/CAPEv2/storage/binaries/d74a07eeb26faeed4799f582bcb3c22ba985cc7bf21685d3b6e37aa694a72d97crc32: 8F654ED7md5: 2a0a05bcae0114f543206ed1a81a8c69sha1: 0e6b17c5c3dcab55697b4589e8a239961fac9ed0sha256: d74a07eeb26faeed4799f582bcb3c22ba985cc7bf21685d3b6e37aa694a72d97sha512: 5aaee090fc713af1add2a040bb6cfdde26650c6991249d7cfe94bfdb04e5a9a65f2ede7db317a2eb67e0763a097c997612fbef2c9829053e81bb6d9afe97f9cbssdeep: 49152:xcBECpZgu2Wk+EwJ84vLRaBtIl9mTXcRjt0S:xaZ2WOCvLUBsKsFt0Stype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11D7523717BE1C5B9D5406131AA8C2F7250FDC35E0B3116EB77D4C70EAF3C8929226A6Asha3_384: 9652ec437b9c2061ff51fed99992e64570d6513beb5563df20fef170f7e8fc7492bef4128dd66cd2ae6a84b205012920ep_bytes: 558bec6aff6898c24100680691410064timestamp: 2019-02-21 16:00:00

Version Info:

CompanyName: Igor PavlovFileDescription: 7z Setup SFXFileVersion: 19.00InternalName: 7zS.sfxLegalCopyright: Copyright (c) 1999-2018 Igor PavlovOriginalFilename: 7zS.sfx.exeProductName: 7-ZipProductVersion: 19.00Translation: 0x0409 0x04b0

Ransom:Win32/StopCrypt!MSR also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Agentb.4!c
MicroWorld-eScan Trojan.AgentWDCR.ACQM
FireEye Trojan.AgentWDCR.ACQM
CAT-QuickHeal Trojan.PE_EXE
ALYac Trojan.AgentWDCR.ACQM
Cylance Unsafe
Sangfor Trojan.Win32.Sdum.gen
K7AntiVirus Trojan ( 0057f9a81 )
Alibaba Ransom:Win32/StopCrypt.0fd3664f
K7GW Trojan ( 0057f9a81 )
Cyren W32/Kryptik.EYC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Smokeloader.F
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packed.Barys-9859531-0
Kaspersky Trojan.Win32.Agentb.kmqd
BitDefender Trojan.AgentWDCR.ACQM
NANO-Antivirus Trojan.Win32.TrjGen.ixvlyj
Avast Win32:PWSX-gen [Trj]
Rising Trojan.Kryptik!1.C6FC (CLASSIC)
Ad-Aware Trojan.AgentWDCR.ACQM
Sophos Mal/Generic-S + Mal/Generic-L
Comodo Malware@#1hum2f7668mcr
DrWeb Trojan.Siggen14.45875
VIPRE Trojan.Win32.Generic!BT
TrendMicro TrojanSpy.Win32.QAKBOT.TIAOABEP
McAfee-GW-Edition RDN/Generic.grp
Emsisoft Trojan.AgentWDCR.ACQM (B)
SentinelOne Static AI – Suspicious PE
GData Win32.Trojan.Agent.POBWZK
Jiangmin Trojan.Sdum.rm
Avira TR/Agent.ghrg
Antiy-AVL Trojan/Generic.ASMalwS.3452F82
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit Trojan.AgentWDCR.ACQM
Microsoft Ransom:Win32/StopCrypt!MSR
Cynet Malicious (score: 100)
AhnLab-V3 Ransomware/Win.StopCrypt.C4572370
McAfee Artemis!2A0A05BCAE01
MAX malware (ai score=85)
VBA32 BScope.Adware.SpeedBit
Malwarebytes Malware.AI.684285136
TrendMicro-HouseCall TrojanSpy.Win32.QAKBOT.TIAOABEP
Tencent Win32.Trojan.Agentb.Hpsc
Yandex Trojan.Chapak!RS2nZZWtDPQ
Ikarus Trojan.Win32.Agent
eGambit Unsafe.AI_Score_99%
Fortinet W32/Chapak.ADHQ!tr
BitDefenderTheta Gen:NN.ZexaF.34062.cv0@aqgz2qiO
AVG Win32:PWSX-gen [Trj]
Panda Trj/WLT.G
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.73643692.susgen

How to remove Ransom:Win32/StopCrypt!MSR?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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