GridinSoft Threat Intelligence
Register.dll threat report
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
- 2025-12-18 23:00:54 (5 months ago)
- File hash
- 5f523b6fdb9d6be6917b3cf01f1dccf8
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Downloader, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2025-12-18 23:00:54 (5 months ago); latest analysis 2025-12-18 23:00:54 (5 months ago).
Company metadata: IObit.. Product metadata: Driver Booster.
Signed by IObit CO., LTD. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Trojan category for related samples and common context.
File context
Register.dll is a Windows file recorded in the ThreatInfo database. It is associated with Driver Booster. The reported company name is IObit.. The current detection status is Trojan.Downloader, based on the latest analysis from 2025-12-18 23:00:54 (5 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If Register.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 Trojan.Downloader.
File Details
| Product Name: | Driver Booster |
| Company Name: | IObit. |
| MD5: | 5f523b6fdb9d6be6917b3cf01f1dccf8 |
| Size: | 1 MB |
| First Published: | 2025-12-18 23:00:54 (5 months ago) |
| Latest Published: | 2025-12-18 23:00:54 (5 months ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2025-12-18 23:00:54 (5 months ago) |
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.
Overview
| Signed By: | IObit CO., LTD |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on Register.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %programfiles%\iobit |
ThreatInfo has observed Register.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.
Geographic signal
Observed country distribution
ThreatInfo has seen Register.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Iraq 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:
The most common operating system signal for Register.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.
Analysis
Register.dll 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
004515d5b64c168d398886b4da50c2f4
8c4e0c59edea32510dd2fc359879747b
68a6dd0b318987d37d203aeed6677ec3
d41d8cd98f00b204e9800998ecf8427e
da1b477683fbb7c68c5e79625417dcb6
a78efc9e9d4f3a9e4a6e52d862f95e3c
9ff30d8f9a6530cce81e8d9e2096ad39
9d9c7749272b1d6e2bf5c952b3232998
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 Register.dll by MD5 5f523b6fdb9d6be6917b3cf01f1dccf8. It is part of the Trojan 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.