GridinSoft Threat Intelligence
MassStor_x64_12.9.18.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Heuristic. 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.Heuristic
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-26 12:00:41 (a day ago)
- File hash
- ca629edef044108e6d198904caf2e9bb
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heuristic, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-05-19 20:01:09 (a week ago); latest analysis 2026-05-26 12:00:41 (a day ago).
Signed by simplix. 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. Review the Trojan category for related samples and common context.
File context
MassStor_x64_12.9.18.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Heuristic, based on the latest analysis from 2026-05-26 12:00:41 (a day ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If MassStor_x64_12.9.18.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 Trojan.Heuristic.
File Details
| MD5: | ca629edef044108e6d198904caf2e9bb |
| Size: | 1 MB |
| First Published: | 2026-05-19 20:01:09 (a week ago) |
| Latest Published: | 2026-05-26 12:00:41 (a day ago) |
| Status: | Trojan.Heuristic (on last analysis) | |
| Analysis Date: | 2026-05-26 12:00:41 (a day 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: | simplix |
| Status: | Valid |
The signature on MassStor_x64_12.9.18.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:
| %sysdrive%\all windows appz\samdrivers_v24.12\samdrivers v24.12\samdrivers_24.12\soft\-tools-\drv-soft |
| %sysdrive%\soft\-tools-\drv-soft |
| %sysdrive%\all windows appz\badshah_samdrivers_18.12\samdrivers_18.12\soft\-tools-\drv-soft |
| %sysdrive%\windows 10\driver\samdrivers 21.4 + lan drivers 21.4 multi - aio collection of drivers x86 x64 may 2021\soft\-tools-\drv-soft |
| %sysdrive%\sdi\soft\-tools-\drv-soft |
ThreatInfo has observed MassStor_x64_12.9.18.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 MassStor_x64_12.9.18.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 United States with 66.7% 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 MassStor_x64_12.9.18.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.
Analysis
MassStor_x64_12.9.18.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
c3953c262c50b3d94af076321878ec20
f179218a059068529bdb4637ef5fa28e
8304967a23ff32b1b0197005a845ef83
d41d8cd98f00b204e9800998ecf8427e
6355dca1cfc4ea76ae77939d9d5a93e6
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.Heuristic
This report identifies MassStor_x64_12.9.18.exe by MD5 ca629edef044108e6d198904caf2e9bb. It is part of the Trojan 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.