GridinSoft Threat Intelligence
UStartup.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.WebCompanion. 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
- Adware.WebCompanion
- Recommended action
- Scan and remove
- Last analysis
- 2025-03-07 23:03:36 (a year ago)
- File hash
- 57f0a51056cac4837179bd16b72446c2
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.WebCompanion.
First seen 2025-03-07 23:03:36 (a year ago); latest analysis 2025-03-07 23:03:36 (a year ago).
Product metadata: UStartup.
Signed by Astral Media Inc. The signature is reported as valid, but signed files can still be bundled or abused.
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.
File context
UStartup.dll is a Windows file recorded in the ThreatInfo database. It is associated with UStartup. The current detection status is Adware.WebCompanion, based on the latest analysis from 2025-03-07 23:03:36 (a year ago).
If UStartup.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 Adware.WebCompanion.
File Details
| Product Name: | UStartup |
| MD5: | 57f0a51056cac4837179bd16b72446c2 |
| Size: | 194 KB |
| First Published: | 2025-03-07 23:03:36 (a year ago) |
| Latest Published: | 2025-03-07 23:03:36 (a year ago) |
| Status: | Adware.WebCompanion (on last analysis) | |
| Analysis Date: | 2025-03-07 23:03:36 (a year 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: | Astral Media Inc |
| Status: | Valid |
The signature on UStartup.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.
Common Places:
| %appdata% |
ThreatInfo has observed UStartup.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 UStartup.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 United States 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 UStartup.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
UStartup.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.
.NET Info:
| MVID: | 7a0a282a-50bc-40fe-b797-10c825db2b83 |
| Typelib ID: | bdf0420e-afcb-49aa-95b6-110140f13a60 |
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
4efb43e5f8c38ba69e68530f6543d4bf
737900d2a7955419eb321e0b8eabcc47
ac009adcab6bab02b9d15484da6f2970
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 Adware.WebCompanion
This report identifies UStartup.dll by MD5 57f0a51056cac4837179bd16b72446c2. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.