user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Ransom:Win32/StopCrypt!pz
Ransom:Win32/StopCrypt!pz - Windows Defender threat signature analysis

Ransom:Win32/StopCrypt!pz - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Ransom:Win32/StopCrypt!pz
Classification:
Type:Ransom
Platform:Win32
Family:StopCrypt
Detection Type:Concrete
Known malware family with identified signatures
Suffix:!pz
Packed or compressed to evade detection
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Ransomware - Encrypts files and demands payment for 32-bit Windows platform, family StopCrypt

Summary:

Ransom:Win32/StopCrypt!pz is a concrete detection of the StopCrypt ransomware, designed to encrypt user files and demand a ransom. It employs techniques like file encryption, self-deletion to hinder recovery, and leverages Windows utilities for execution and persistence.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - testers.exe (PEHSTR_EXT)
 - encryptionwinapi\Salsa20.inl (PEHSTR_EXT)
 - bowsakkdestx.txt (PEHSTR_EXT)
 - C:\SystemID\PersonalID.txt (PEHSTR_EXT)
 - delself.bat (PEHSTR_EXT)
 - \encrypt_win_api.pdb (PEHSTR_EXT)
 -  /deny *S-1-1-0:(OI)(CI)(DE,DC) (PEHSTR_EXT)
 - worms.txt (PEHSTR_EXT)
 - Tn/^Q (SNID)
 - Decryptfiles.txt (PEHSTR_EXT)
 - boot.inidesktop.inintuser.daticoncache.dbbootsect.bakntuser.dat.logBootfont.binDecryptfiles.txt (PEHSTR_EXT)
 - edfr789@tutanota.com (PEHSTR_EXT)
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
Known malware which is associated with this threat:
Filename: rgbux.exe
8f58e705890787e7ad8af534f3adfa6554f9bb20ffd58676da4da9746639fc48
19/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected system. Use Windows Defender to remove the detected threat, then restore all affected files from clean, uninfected backups. Reinforce endpoint security, ensure software is updated, and educate users on phishing prevention.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 19/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
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