GridinSoft Threat Intelligence

FFWsRegister.dll threat report

Detected as Ransom.Wacatac File reputation report
MD5 635c37dc7e02ab1aea7eb765f1134a9a
Latest seen 2026-05-20 13:00:23 (a week ago)
First seen 2023-12-13 23:46:10 (2 years ago)
Size 3 MB
Publisher Wondershare
Product FFWsRegister

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Ransom.Wacatac. 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
Ransom.Wacatac
Recommended action
Scan and remove
Last analysis
2026-05-20 13:00:23 (a week ago)
File hash
635c37dc7e02ab1aea7eb765f1134a9a
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Ransom.Wacatac, part of the Ransom threat category.

Category context

Ransomware families and files associated with encryption or extortion workflows. Related Ransom reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2023-12-13 23:46:10 (2 years ago); latest analysis 2026-05-20 13:00:23 (a week ago).

Publisher context

Company metadata: Wondershare. Product metadata: FFWsRegister.

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 Ransom category for related samples and common context.

FFWsRegister.dll is a Windows file recorded in the ThreatInfo database. It is associated with FFWsRegister. The reported company name is Wondershare. The current detection status is Ransom.Wacatac, based on the latest analysis from 2026-05-20 13:00:23 (a week ago). ThreatInfo groups this verdict with Ransom reports for broader family-level investigation.

If FFWsRegister.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 Ransom.Wacatac.

Product Name: FFWsRegister
Company Name: Wondershare
MD5: 635c37dc7e02ab1aea7eb765f1134a9a
Size: 3 MB
First Published: 2023-12-13 23:46:10 (2 years ago)
Latest Published: 2026-05-20 13:00:23 (a week ago)
Status: Ransom.Wacatac (on last analysis)
Analysis Date: 2026-05-20 13:00:23 (a week ago)
FFWsRegister.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.

%localappdata%\wondershare\wondershare filmora
%system%\downlevel\wondershare filmora
%desktop%\arquivos baixados\crackeadodownload.com_wondershare filmora 13.0.25\crackeadodownload.com_wondershare filmora 13.0.25
%sysdrive%\$recycle.bin\s-1-5-21-2991893587-3105818701-376114337-1001\$ro6pfy8
%sysdrive%\fiñl
%sysdrive%\usuarios\adrie\escritorio\ags\ws.filmora.13.0.25.4414 - xyz\ws.filmora.13.0.25.4414 - xyz
%mydoc%\celr 13\celr 13\celr 13\celr 13

ThreatInfo has observed FFWsRegister.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.

Windows 10 100.0%

The most common operating system signal for FFWsRegister.dll 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.

FFWsRegister.dll is identified as pe for 64-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 64-bit
Subsystem Windows GUI
Entry point 0x00ef5ee8
Image base 0x0000000180000000

PE Sections:

Sections 8
Raw data 3445760

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

32256 bytes · 0.9% of section data
Uncommon name
MD5 f72bf7bd45597cef0aa5730dfd1fac34
9728 bytes · 0.3% of section data
Uncommon name
MD5 eeaf34e2078a716393e683b23cbbb1f5
512 bytes · 0.0% of section data
Uncommon name
MD5 61b22d3877b75ff27d42dc7543a98e96
0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
512 bytes · 0.0% of section data
Uncommon name
MD5 19d18091e2df5e1cb1e3656c93862311
.rsrc 196608 bytes · 5.7% of section data
MD5 c15a159b08608527bc0b05c63589d728
278528 bytes · 8.1% of section data
Uncommon name
MD5 9c71160d063e0a98af6fe62592748826
2927616 bytes · 85.0% of section data
Uncommon name
MD5 1d5f5e47e927c24d1cdfc33fcf6637c7

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 Ransom.Wacatac

This report identifies FFWsRegister.dll by MD5 635c37dc7e02ab1aea7eb765f1134a9a. It is part of the Ransom 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 635c37dc7e02ab1aea7eb765f1134a9a.
  • 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 Ransom category to compare similar reports.