GridinSoft Threat Intelligence
inst.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Gen. 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.Gen
- Recommended action
- Scan and remove
- Last analysis
- 2021-01-09 03:10:04 (5 years ago)
- File hash
- 6aaac8b971ee8f76d3eaa1a648a328e0
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Gen.
First seen 2020-06-20 20:05:25 (5 years ago); latest analysis 2021-01-09 03:10:04 (5 years ago).
Signed by Xtreaming Technology 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
inst.sys is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Gen, based on the latest analysis from 2021-01-09 03:10:04 (5 years ago).
If inst.sys 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.Gen.
File Details
| MD5: | 6aaac8b971ee8f76d3eaa1a648a328e0 |
| Size: | 2 MB |
| First Published: | 2020-06-20 20:05:25 (5 years ago) |
| Latest Published: | 2021-01-09 03:10:04 (5 years ago) |
| Status: | Trojan.Gen (on last analysis) | |
| Analysis Date: | 2021-01-09 03:10:04 (5 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.
Overview
| Signed By: | Xtreaming Technology Inc. |
| Status: | Valid |
The signature on inst.sys 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:
| %temp% |
| %sysdrive%\windows.old\users\diana\appdata\local\temp |
| %sysdrive%\windows.old\users\acer\appdata\local\temp |
| %sysdrive%\$recycle.bin\s-1-5-21-3683971455-3383735251-4605139-1001 |
| %windir%\temp |
| %sysdrive%\windows.old\users\hp\appdata\local\temp |
| %sysdrive%\bk - casa\#racine\users\ete\appdata\local\temp |
ThreatInfo has observed inst.sys 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 inst.sys across 27 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is India with 18.6% 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 inst.sys is Windows 10 with 73.3% 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
inst.sys is identified as pe for 64-bit systems. The subsystem is Native. 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.
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
9c4c8cbbbe2c14fef14199e2f62fc4a9
8104b39a5a0da195c8d1ba751b6fb5e0
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.Gen
This report identifies inst.sys by MD5 6aaac8b971ee8f76d3eaa1a648a328e0. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.