GridinSoft Threat Intelligence

$RWCYEMZ.dll threat report

Detected as PUP.ByteFence File reputation report
MD5 4ca684852753fa3505ce7d4c85925556
Latest seen 2024-04-28 23:09:55 (2 years ago)
First seen 2018-03-06 00:03:08 (8 years ago)
Size 832 KB

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.ByteFence. 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
PUP.ByteFence
Recommended action
Scan and remove
Last analysis
2024-04-28 23:09:55 (2 years ago)
File hash
4ca684852753fa3505ce7d4c85925556
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.ByteFence, part of the PUP threat category.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2018-03-06 00:03:08 (8 years ago); latest analysis 2024-04-28 23:09:55 (2 years ago).

Publisher context

Company metadata: Byte Technologies LLC. Product metadata: ByteFence Anti-Malware.

Digital signature

Signed by Byte Technologies LLC. The signature is reported as valid, but signed files can still be bundled or abused.

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. Review the PUP category for related samples and common context.

$RWCYEMZ.dll is a Windows file recorded in the ThreatInfo database. It is associated with ByteFence Anti-Malware. The reported company name is Byte Technologies LLC. The current detection status is PUP.ByteFence, based on the latest analysis from 2024-04-28 23:09:55 (2 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If $RWCYEMZ.dll 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 PUP.ByteFence.

Product Name: ByteFence Anti-Malware
Company Name: Byte Technologies LLC
MD5: 4ca684852753fa3505ce7d4c85925556
Size: 832 KB
First Published: 2018-03-06 00:03:08 (8 years ago)
Latest Published: 2024-04-28 23:09:55 (2 years ago)
Status: PUP.ByteFence (on last analysis)
Analysis Date: 2024-04-28 23:09:55 (2 years ago)
$RWCYEMZ.dll 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.

Signed By: Byte Technologies LLC
Status: Valid

The signature on $RWCYEMZ.dll is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%sysdrive%\$recycle.bin\s-1-5-21-280192331-2097082077-2465560919-1000
%programfiles%
%sysdrive%\adwcleaner\quarantine
%sysdrive%\vtroot\harddiskvolume2\program files
%sysdrive%\$recycle.bin
%profile%\downloads\temp\bytefence anti-malware pro 3.19.0.0\app
%sysdrive%\programmi
%sysdrive%\adwcleaner\quarantine\v1\20180502.134310\3
%sysdrive%\system volume information\_restore{f546ed53-16f9-458b-89db-439e69eb1e89}
%sysdrive%\system volume information\_restore{b126aa3e-f088-4c8b-8d39-448b43b8f656}

ThreatInfo has observed $RWCYEMZ.dll 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.

ByteFenceGUI.dll ByteFenceGUI.dll.quarantined $RY3NMR4.dll ByteFenceGUI_IObitDel.dll ByteFenceGUI.dll#0931843F94480D5B A1522220.dll A0028268.dll A0020039.dll A0000148.dll $RWCYEMZ.dll

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.

Windows 7 45.3%
Windows 10 42.8%
Windows 8.1 9.3%
Windows XP 1.9%
Windows 8 0.5%
Windows Vista 0.2%

The most common operating system signal for $RWCYEMZ.dll is Windows 7 with 45.3% 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.

$RWCYEMZ.dll 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 0x000ce90e
Image base 0x00400000

.NET Info:

MVID: 93c9f64a-10c5-4d18-b79b-af9312fefb7a

PE Sections:

Sections 4
Raw data 841216

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

.text 838144 bytes · 99.6% of section data
MD5 174e78bac544f760696575fe581fcebc
.sdata 1024 bytes · 0.1% of section data
Uncommon name
MD5 a130c9bc69a78d0738779e36fbdec8df
.rsrc 1536 bytes · 0.2% of section data
MD5 745d82bdb27543c8899c1b3e6868ea06
.reloc 512 bytes · 0.1% of section data
MD5 24e8014dc0698c9ba6003af4576245c9

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 PUP.ByteFence

This report identifies $RWCYEMZ.dll by MD5 4ca684852753fa3505ce7d4c85925556. It is part of the PUP report group. 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 4ca684852753fa3505ce7d4c85925556.
  • 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. Use the PUP category to compare similar reports.