GridinSoft Threat Intelligence

atl90.dll file report

Clean record File reputation report
MD5 47857df83c1bd9755afd1c7f0ae65465
Latest seen 2026-01-11 23:00:27 (4 months ago)
First seen 2017-05-28 02:05:37 (8 years ago)
Size 157 KB
Publisher Microsoft Corporation
Product Microsoft® Visual Studio® 2008
Signed by Microsoft Corporation

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2017-05-28 02:05:37 (8 years ago); latest analysis 2026-01-11 23:00:27 (4 months ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® Visual Studio® 2008.

Digital signature

Signed by Microsoft Corporation. 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. 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.

File context

atl90.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Visual Studio® 2008. The reported company name is Microsoft Corporation. The current detection status is Clean, based on the latest analysis from 2026-01-11 23:00:27 (4 months 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.

File Details

Product Name: Microsoft® Visual Studio® 2008
Company Name: Microsoft Corporation
MD5: 47857df83c1bd9755afd1c7f0ae65465
Size: 157 KB
First Published: 2017-05-28 02:05:37 (8 years ago)
Latest Published: 2026-01-11 23:00:27 (4 months ago)
Status: Clean (on last analysis)
Analysis Date: 2026-01-11 23:00:27 (4 months ago)

Overview

Signed By: Microsoft Corporation
Status: Valid

The signature on atl90.dll 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%\winzip system utilities suite
%programfiles%\advanced system optimizer 3
%programfiles%\reviversoft\registry reviver
%programfiles%\disk speedup
%programfiles%\reviversoft\driver reviver
%programfiles%\utililab\systemoptimizer
%programfiles%\advanced disk recovery
%programfiles%\disk reviver
%programfiles%\winzip driver updater
%sysdrive%\programmi\advanced system optimizer 3

ThreatInfo has observed atl90.dll 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 atl90.dll across 56 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 18.0%
Low High activity

The strongest geographic signal for this file is United States with 18.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 54.7%
Windows 7 32.8%
Windows 8.1 7.3%
Windows 8 2.2%
Windows XP 1.6%
Windows Vista 1.1%
Windows Server 2008 R2 0.3%

The most common operating system signal for atl90.dll is Windows 10 with 54.7% 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

atl90.dll 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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00013226
Image base 0x78e20000

PE Sections:

Sections 4
Raw data 151552

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

.text 126976 bytes · 83.8% of section data
MD5 956d2663bef2bb9076bcdcea2a328ae1
.data 5120 bytes · 3.4% of section data
MD5 6041987273646ecd190e297cad8c873f
.rsrc 9216 bytes · 6.1% of section data
MD5 8bdf74748855a57a11c47485a89f08f2
.reloc 10240 bytes · 6.8% of section data
MD5 453105327fe5a6033e41f75ade32ea33

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 47857df83c1bd9755afd1c7f0ae65465.
  • 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.