user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:SH/Geninst!rfn
Trojan:SH/Geninst!rfn - Windows Defender threat signature analysis

Trojan:SH/Geninst!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:SH/Geninst!rfn
Classification:
Type:Trojan
Platform:SH
Family:Geninst
Detection Type:Concrete
Known malware family with identified signatures
Suffix:!rfn
Specific ransomware family name
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for SH platform, family Geninst

Summary:

Trojan:SH/Geninst!rfn is a highly capable Trojan that leverages multiple legitimate Windows utilities like mshta, regsvr32, rundll32, and PowerShell for execution, persistence, and evasion. It employs sophisticated techniques such as API hooking, creating scheduled tasks, abusing BITS jobs for communication/downloads, performing remote file copies, and attempting anti-forensics via file deletion, indicating a comprehensive and potent threat.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - !#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: cat.sh
de613711a0bc9c6e6e6ba17650b6483390170d15ec8b70d98e6357062bfc7a86
11/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected system, perform a full system scan with an updated antivirus, and remove all detected threats. Investigate for persistence mechanisms (e.g., scheduled tasks, registry modifications) and unauthorized network activity. It is strongly recommended to re-image the system from a trusted backup to ensure complete eradication of the threat and any potential backdoors.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 11/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊