user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat TrojanDownloader:Win64/Rugmi!rfn
TrojanDownloader:Win64/Rugmi!rfn - Windows Defender threat signature analysis

TrojanDownloader:Win64/Rugmi!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: TrojanDownloader:Win64/Rugmi!rfn
Classification:
Type:TrojanDownloader
Platform:Win64
Family:Rugmi
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 Downloader - Downloads additional malware for 64-bit Windows platform, family Rugmi

Summary:

TrojanDownloader:Win64/Rugmi!rfn is a malicious downloader designed to retrieve and execute additional malware payloads. It leverages multiple built-in Windows tools (LOLBins) like PowerShell, Mshta, and BITS for execution and file transfer, and establishes persistence via scheduled tasks to survive reboots.

Severity:
High
VDM Static Detection:
Relevant strings associated with this threat:
 - P:\fi\GPU\SSD\4o\switch\Synchronization\Buffer\oe\x86\debug\server\firm.pdb (PEHSTR_EXT)
 - U:\rout\x64\release\5bC\a2j\llq.pdb (PEHSTR_EXT)
 - \NewToolsProject\SQLite3Encrypt\Release\SQLite3Encrypt.pdb (PEHSTR_EXT)
 - rs-shell-main\kundalini (PEHSTR_EXT)
 - loader.pdb (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: vcomp140.dll
a8e7980ed4dbea8bb5ceeca4b5fef3c8aa3a76d1b933ca94239af3efd5ba2a3e
22/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected host from the network immediately. Run a full antivirus scan to remove the threat and any dropped payloads. Investigate for persistence mechanisms, such as new scheduled tasks, and review network logs for signs of further compromise.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 22/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊