GridinSoft Threat Intelligence

AmUStor.sys file report

Clean record File reputation report
MD5 4126d30992b26303e47e8981313fd6d6
Latest seen 2022-12-09 23:15:49 (3 years ago)
First seen 2022-12-09 23:15:49 (3 years ago)
Size 106 KB
Signed by AlcorMicro, Corp.

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2022-12-09 23:15:49 (3 years ago); latest analysis 2022-12-09 23:15:49 (3 years ago).

Digital signature

Signed by AlcorMicro, Corp.. ThreatInfo marks this publisher as trusted for this record.

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. Confirm the hash and publisher match the expected software.
  2. Review the observed locations and signature information below.
  3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

AmUStor.sys is a Windows file recorded in the ThreatInfo database. The current detection status is Clean, based on the latest analysis from 2022-12-09 23:15:49 (3 years ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

MD5: 4126d30992b26303e47e8981313fd6d6
Size: 106 KB
First Published: 2022-12-09 23:15:49 (3 years ago)
Latest Published: 2022-12-09 23:15:49 (3 years ago)
Status: Clean (on last analysis)
Analysis Date: 2022-12-09 23:15:49 (3 years ago)
Signed By: AlcorMicro, Corp.
Status: Trusted Publisher

ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.

%programfiles%

ThreatInfo has observed AmUStor.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.

Windows 10 100.0%

The most common operating system signal for AmUStor.sys 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.

AmUStor.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.

Format pe
Architecture 64-bit
Subsystem Native
Entry point 0x00004eb0
Image base 0x0000000000010000

PE Sections:

Sections 6
Raw data 99328

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

.text 83968 bytes · 84.5% of section data
MD5 04d73bdf8ae9f3c6f5367d2d5e5448fc
.rdata 7168 bytes · 7.2% of section data
MD5 16d9f1021083f50a9772211096444a6a
.data 512 bytes · 0.5% of section data
MD5 1910f751e469b95b55f4cb1a1e96bdc3
.pdata 4096 bytes · 4.1% of section data
MD5 120a6c8f254fe30384885076daf0b902
INIT 2560 bytes · 2.6% of section data
Uncommon name
MD5 2b31627129695929b73887c7234efaa2
.rsrc 1024 bytes · 1.0% of section data
MD5 071aba7898dcd2ebe0ab57cd06bbe427

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 hash is currently recorded as clean

Use the MD5, publisher, signature, and observed paths in this report to verify that the file on your device is the same copy described here.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 4126d30992b26303e47e8981313fd6d6.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.