GridinSoft Threat Intelligence

$RFMTH8W.exe threat report

Detected as Trojan.CoinMiner File reputation report
MD5 30843cdd1e1eb312d1cce94c3c826c88
Latest seen 2022-03-10 23:53:34 (4 years ago)
First seen 2018-10-18 03:12:09 (7 years ago)
Size 1 MB
Publisher www.xmrig.com
Product XMRig

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.CoinMiner. 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.CoinMiner
Recommended action
Scan and remove
Last analysis
2022-03-10 23:53:34 (4 years ago)
File hash
30843cdd1e1eb312d1cce94c3c826c88
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.CoinMiner.

Timeline

First seen 2018-10-18 03:12:09 (7 years ago); latest analysis 2022-03-10 23:53:34 (4 years ago).

Publisher context

Company metadata: www.xmrig.com. Product metadata: XMRig.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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

$RFMTH8W.exe is a Windows file recorded in the ThreatInfo database. It is associated with XMRig. The reported company name is www.xmrig.com. The current detection status is Trojan.CoinMiner, based on the latest analysis from 2022-03-10 23:53:34 (4 years ago).

If $RFMTH8W.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.CoinMiner.

File Details

Product Name: XMRig
Company Name: www.xmrig.com
MD5: 30843cdd1e1eb312d1cce94c3c826c88
Size: 1 MB
First Published: 2018-10-18 03:12:09 (7 years ago)
Latest Published: 2022-03-10 23:53:34 (4 years ago)
Status: Trojan.CoinMiner (on last analysis)
Analysis Date: 2022-03-10 23:53:34 (4 years ago)

Detection screenshot

$RFMTH8W.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:

%appdata%
%appdata%\adobe\x86v8
%sysdrive%\$recycle.bin
%system%\config\systemprofile\appdata\roaming
%sysdrive%\$recycle.bin\s-1-5-21-745511899-3870050724-1201370372-1000
%sysdrive%\$recycle.bin\s-1-5-21-655610334-2854561502-1213683250-1000
%sysdrive%
%sysdrive%\bini-pc\backup set 2019-08-05 162608\backup files 2019-08-05 162608\backup files 6.zip\c\users\administrator\appdata\roaming

ThreatInfo has observed $RFMTH8W.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.

File Names:

4 observed names
NsCpuCNMiner32.exe dether.exe $RNHCZZJ.exe $RFMTH8W.exe

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen $RFMTH8W.exe across 41 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 29.1%
Low High activity

The strongest geographic signal for this file is Russian Federation with 29.1% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 67.1%
Windows Server 2008 R2 12.4%
Windows 10 7.9%
Windows Server 2012 R2 6.2%
Windows Vista 2.8%
Windows Server 2012 1.7%
Windows 8.1 1.7%
Windows 8 0.3%

The most common operating system signal for $RFMTH8W.exe is Windows 7 with 67.1% 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

$RFMTH8W.exe is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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 CUI
Entry point 0x00001500
Image base 0x00400000

PE Sections:

Sections 11
Raw data 1520896

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

.text 1226240 bytes · 80.6% of section data
MD5 0cbe6e4648bdff3055fbadd5092287ec
.data 2048 bytes · 0.1% of section data
MD5 b30c61845b2c0c6adbb30d656345a43c
.rdata 82944 bytes · 5.5% of section data
MD5 e4d2fcff1abaf149ceb59b643396a9f8
.eh_fram 145920 bytes · 9.6% of section data
Uncommon name
MD5 ae6cbfff48fa5965a90c5a45a6843d6e
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 1536 bytes · 0.1% of section data
MD5 40052207829683fa93ebe1c4dde6acc2
.idata 9216 bytes · 0.6% of section data
MD5 112ca0285799d6cb8afbca02928cf25c
.CRT 512 bytes · 0.0% of section data
MD5 efb45552e31f267cbf06aa19d9566084
.tls 512 bytes · 0.0% of section data
MD5 c61851aab890bbf876037a151530fc27
.rsrc 23808 bytes · 1.6% of section data
MD5 113e2e8b7aa8220cbc61be8bbf1f2a8b
.reloc 28160 bytes · 1.9% of section data
MD5 db57264f0799c55c3bcb93a0c88e7810

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.CoinMiner

This report identifies $RFMTH8W.exe by MD5 30843cdd1e1eb312d1cce94c3c826c88. 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 30843cdd1e1eb312d1cce94c3c826c88.
  • 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.