GridinSoft Threat Intelligence
NB.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
- 2023-12-11 23:45:52 (2 years ago)
- File hash
- a75537a414779cf6b5c2dbabcb693843
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 2023-07-17 23:40:40 (2 years ago); latest analysis 2023-12-11 23:45:52 (2 years ago).
Company metadata: Nero AG. Product metadata: Nero BackItUp.
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
NB.dll is a Windows file recorded in the ThreatInfo database. It is associated with Nero BackItUp. The reported company name is Nero AG. The current detection status is Trojan.Downloader, based on the latest analysis from 2023-12-11 23:45:52 (2 years ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If NB.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: | Nero BackItUp |
| Company Name: | Nero AG |
| MD5: | a75537a414779cf6b5c2dbabcb693843 |
| Size: | 840 KB |
| First Published: | 2023-07-17 23:40:40 (2 years ago) |
| Latest Published: | 2023-12-11 23:45:52 (2 years ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2023-12-11 23:45:52 (2 years 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.
Common Places:
| %programfiles%\nero\nero 7 |
ThreatInfo has observed NB.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 NB.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Ukraine with 50.0% 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 NB.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
NB.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.
2d7e41b7bedac8a71118cc7fb9a73984
b87d9e6b340f96d51c4fcbfd59b192ac
6cb19569c7b4320e9cd8bbb3e1097fe0
22e603cf10b4997a336de8fb17303835
4df9c17e62bf35231582bf0d6ff1b0ce
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 NB.dll by MD5 a75537a414779cf6b5c2dbabcb693843. 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.