GridinSoft Threat Intelligence

uninstall_programs.dll threat report

Detected as PUP.WebCompanion File reputation report
MD5 91a87d04e29a0b697ea0919c68510f40
Latest seen 2026-05-12 23:01:09 (2 weeks ago)
First seen 2026-05-12 23:01:09 (2 weeks ago)
Size 889 KB
Publisher Avanquest

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.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
PUP.WebCompanion
Recommended action
Scan and remove
Last analysis
2026-05-12 23:01:09 (2 weeks ago)
File hash
91a87d04e29a0b697ea0919c68510f40
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.WebCompanion, 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 2026-05-12 23:01:09 (2 weeks ago); latest analysis 2026-05-12 23:01:09 (2 weeks ago).

Publisher context

Company metadata: Avanquest. Product metadata: PC HelpSoft Driver Updater.

Digital signature

Signed by Adaware Software (7270356 CANADA INC.). The signature is reported as valid, but signed files can still be bundled or abused.

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.

uninstall_programs.dll is a Windows file recorded in the ThreatInfo database. It is associated with PC HelpSoft Driver Updater. The reported company name is Avanquest. The current detection status is PUP.WebCompanion, based on the latest analysis from 2026-05-12 23:01:09 (2 weeks ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If uninstall_programs.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.WebCompanion.

Product Name: PC HelpSoft Driver Updater
Company Name: Avanquest
MD5: 91a87d04e29a0b697ea0919c68510f40
Size: 889 KB
First Published: 2026-05-12 23:01:09 (2 weeks ago)
Latest Published: 2026-05-12 23:01:09 (2 weeks ago)
Status: PUP.WebCompanion (on last analysis)
Analysis Date: 2026-05-12 23:01:09 (2 weeks ago)
uninstall_programs.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: Adaware Software (7270356 CANADA INC.)
Status: Valid

The signature on uninstall_programs.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.

%programfiles%\avanquest\driver updater\application

ThreatInfo has observed uninstall_programs.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 uninstall_programs.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.

uninstall_programs.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 0x000724cc
Image base 0x0000000180000000

PE Sections:

Sections 7
Raw data 897024

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

.text 495616 bytes · 55.3% of section data
MD5 c3637900c150c4f72d5025be1441bd7d
.rdata 305664 bytes · 34.1% of section data
MD5 ef36af47acd540a9cdcfd9192180d740
.data 62464 bytes · 7.0% of section data
MD5 2561990adc021a2b05a0bf178aeb50d3
.pdata 24576 bytes · 2.7% of section data
MD5 af1043fa4243bc7b4a42f060a99035e6
boostdll 512 bytes · 0.1% of section data
Uncommon name
MD5 eea567b2944c60e98b2ffcf492d6fbf7
.rsrc 1536 bytes · 0.2% of section data
MD5 142300baa6d83e52b0ad103bc5c592e1
.reloc 6656 bytes · 0.7% of section data
MD5 a31abd72d403f5daf0a6eb2b9d55a8e4

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.WebCompanion

This report identifies uninstall_programs.dll by MD5 91a87d04e29a0b697ea0919c68510f40. 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 91a87d04e29a0b697ea0919c68510f40.
  • 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.