GridinSoft Threat Intelligence

PC Cleaner Service.exe threat report

Detected as PUP.Avanquest File reputation report
MD5 1b77ab027f2138539f4b043002d49486
Latest seen 2026-05-03 23:01:42 (3 weeks ago)
First seen 2026-03-27 23:00:19 (2 months ago)
Size 885 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.Avanquest. 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.Avanquest
Recommended action
Scan and remove
Last analysis
2026-05-03 23:01:42 (3 weeks ago)
File hash
1b77ab027f2138539f4b043002d49486
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.Avanquest, 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 2026-03-27 23:00:19 (2 months ago); latest analysis 2026-05-03 23:01:42 (3 weeks ago).

Publisher context

Company metadata: Avanquest. Product metadata: PC HelpSoft PC Cleaner.

Digital signature

Signed by PC Helpsoft (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.

PC Cleaner Service.exe is a Windows file recorded in the ThreatInfo database. It is associated with PC HelpSoft PC Cleaner. The reported company name is Avanquest. The current detection status is PUP.Avanquest, based on the latest analysis from 2026-05-03 23:01:42 (3 weeks ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If PC Cleaner Service.exe 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.Avanquest.

Product Name: PC HelpSoft PC Cleaner
Company Name: Avanquest
MD5: 1b77ab027f2138539f4b043002d49486
Size: 885 KB
First Published: 2026-03-27 23:00:19 (2 months ago)
Latest Published: 2026-05-03 23:01:42 (3 weeks ago)
Status: PUP.Avanquest (on last analysis)
Analysis Date: 2026-05-03 23:01:42 (3 weeks ago)
PC Cleaner Service.exe 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: PC Helpsoft (7270356 Canada Inc)
Status: Valid

The signature on PC Cleaner Service.exe 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\pc cleaner\application

ThreatInfo has observed PC Cleaner Service.exe 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 PC Cleaner Service.exe 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.

PC Cleaner Service.exe is identified as pe for 64-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.

Format pe
Architecture 64-bit
Subsystem Windows CUI
Entry point 0x00033bf8
Image base 0x0000000140000000

PE Sections:

Sections 6
Raw data 892416

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

.text 225280 bytes · 25.2% of section data
MD5 19d7565b3ed398aba3e27fc9ea8e24d3
.rdata 222720 bytes · 25.0% of section data
MD5 f181010697dc8d315f4d7502282b09fd
.data 16384 bytes · 1.8% of section data
MD5 c25106e611f9d0dc326d5d8d4ccbf271
.pdata 12288 bytes · 1.4% of section data
MD5 89b8279b0bb484a56fd2cf420ec83ce2
.rsrc 413184 bytes · 46.3% of section data
MD5 3dc54894415f61535a15b32ab0918f8d
.reloc 2560 bytes · 0.3% of section data
MD5 6625be5f7500358992f1153f96b74f25

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.Avanquest

This report identifies PC Cleaner Service.exe by MD5 1b77ab027f2138539f4b043002d49486. 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 1b77ab027f2138539f4b043002d49486.
  • 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.