GridinSoft Threat Intelligence

$RUMOOS2.exe threat report

Detected as Trojan.Downloader File reputation report
MD5 ca0531f4cb3737680032b391e8623aaf
Latest seen 2022-11-17 23:14:18 (3 years ago)
First seen 2022-11-17 23:14:18 (3 years ago)
Size 3 MB
Publisher Moo0
Product Moo0 Installer

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Downloader. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
Trojan.Downloader
Recommended action
Scan and remove
Last analysis
2022-11-17 23:14:18 (3 years ago)
File hash
ca0531f4cb3737680032b391e8623aaf
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Downloader.

Timeline

First seen 2022-11-17 23:14:18 (3 years ago); latest analysis 2022-11-17 23:14:18 (3 years ago).

Publisher context

Company metadata: Moo0. Product metadata: Moo0 Installer.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.

File context

$RUMOOS2.exe is a Windows file recorded in the ThreatInfo database. It is associated with Moo0 Installer. The reported company name is Moo0. The current detection status is Trojan.Downloader, based on the latest analysis from 2022-11-17 23:14:18 (3 years ago).

If $RUMOOS2.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Downloader.

File Details

Product Name: Moo0 Installer
Company Name: Moo0
MD5: ca0531f4cb3737680032b391e8623aaf
Size: 3 MB
First Published: 2022-11-17 23:14:18 (3 years ago)
Latest Published: 2022-11-17 23:14:18 (3 years ago)
Status: Trojan.Downloader (on last analysis)
Analysis Date: 2022-11-17 23:14:18 (3 years ago)

Detection screenshot

$RUMOOS2.exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Common Places:

%sysdrive%\$recycle.bin

ThreatInfo has observed $RUMOOS2.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Geographic signal

Observed country distribution

ThreatInfo has seen $RUMOOS2.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 100.0%
Low High activity

The strongest geographic signal for this file is United States with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

The most common operating system signal for $RUMOOS2.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

$RUMOOS2.exe is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x000d4d78
Image base 0x00400000

PE Sections:

Sections 9
Raw data 3684864

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 1239040 bytes · 33.6% of section data
MD5 9f5b8a4a47560d0033352411c578df8b
.rdata 356864 bytes · 9.7% of section data
MD5 4f2743b7a58b12be202b1a2068576d2e
.data 28672 bytes · 0.8% of section data
MD5 541b090acf2069a186238a3ef6914ee0
.gfids 8704 bytes · 0.2% of section data
Uncommon name
MD5 aa9c6e176289e6e06a76b696ca419b82
.giats 512 bytes · 0.0% of section data
Uncommon name
MD5 4b8b78eab9c3a4560db5b80f4e394cd2
.tls 512 bytes · 0.0% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
_RDATA 4096 bytes · 0.1% of section data
Uncommon name
MD5 7a9be3d49f3c5ee4989d70fcfbcc87a5
.rsrc 1961472 bytes · 53.2% of section data
MD5 cf66641901746ad1f540dd7e51403f3d
.reloc 84992 bytes · 2.3% of section data
MD5 ca4c66feb050b7fcb29612c52fb50d0f

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as Trojan.Downloader

This report identifies $RUMOOS2.exe by MD5 ca0531f4cb3737680032b391e8623aaf. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with ca0531f4cb3737680032b391e8623aaf.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found.