GridinSoft Threat Intelligence
InstAct.exe file report
Why it matters
Evidence available for this file
No final classification is available yet.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2020-03-17 19:50:32 (6 years ago); latest analysis 2021-01-08 17:09:26 (5 years ago).
Company metadata: ShieldApps. Product metadata: Hard Disk Shield 2018.
Signed by Shieldapps. 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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
InstAct.exe is a Windows file recorded in the ThreatInfo database. It is associated with Hard Disk Shield 2018. The reported company name is ShieldApps. The current detection status is Undefined, based on the latest analysis from 2021-01-08 17:09:26 (5 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.
File Details
| Product Name: | Hard Disk Shield 2018 |
| Company Name: | ShieldApps |
| MD5: | a867098d9a7829048768cb4634133c45 |
| Size: | 34 KB |
| First Published: | 2020-03-17 19:50:32 (6 years ago) |
| Latest Published: | 2021-01-08 17:09:26 (5 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2021-01-08 17:09:26 (5 years ago) |
Overview
| Signed By: | Shieldapps |
| Status: | Valid |
The signature on InstAct.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.
Common Places:
| %programfiles% |
ThreatInfo has observed InstAct.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.
Geographic signal
Observed country distribution
ThreatInfo has seen InstAct.exe across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Italy with 33.3% 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 InstAct.exe is Windows 10 with 75.0% 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
InstAct.exe 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.
.NET Info:
| MVID: | d4044e66-f863-4c2f-a68e-1a944cb1fa6a |
| Typelib ID: | 656d6049-7987-4b5d-8ba8-3d076ca8b428 |
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
b089994a50f85fba4ea6cd32f5618156
a2d9600b2e5ed4b8232cc153c005170d
70f3ac950b45f4e41f47d5608da52583
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
This file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.