GridinSoft Threat Intelligence

is-13243.tmp file report

Clean record File reputation report
MD5 4d03ca609e68f4c90cf66515218017f8
Latest seen 2026-01-12 23:07:27 (4 months ago)
First seen 2017-05-21 14:10:22 (9 years ago)
Size 640 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 2017-05-21 14:10:22 (9 years ago); latest analysis 2026-01-12 23:07:27 (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.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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

is-13243.tmp 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 2026-01-12 23:07:27 (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: 4d03ca609e68f4c90cf66515218017f8
Size: 640 KB
First Published: 2017-05-21 14:10:22 (9 years ago)
Latest Published: 2026-01-12 23:07:27 (4 months ago)
Status: Clean (on last analysis)
Analysis Date: 2026-01-12 23:07:27 (4 months ago)

Overview

Signed By: Microsoft Corporation
Status: Valid

The signature on is-13243.tmp 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%\pando networks\media booster\microsoft.vc90.crt
%programfiles%\pando networks\pando\microsoft.vc90.crt
%programfiles%\winzip system utilities suite
%programfiles%\advanced system optimizer 3
%programfiles%\emperaturvpn\clients
%programfiles%\psafe\total\deepscan\sdeng\savapi
%programfiles%\disk speedup
%appdata%\tencent\qqgametempest\minigames\common
%appdata%\tencent\qqgametempest\minigames\logic\caaddins
%appdata%\tencent\qqgametempest\minigames

ThreatInfo has observed is-13243.tmp 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.

File Names:

2 observed names
msvcr90.dll is-13243.tmp

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen is-13243.tmp across 70 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Taiwan
Share 16.0%
Low High activity

The strongest geographic signal for this file is Taiwan with 16.0% 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 56.8%
Windows 7 35.1%
Windows 8.1 5.0%
Windows XP 1.2%
Windows 8 1.2%
Windows Vista 0.6%
Windows Server 2008 R2 0.1%

The most common operating system signal for is-13243.tmp is Windows 10 with 56.8% 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

is-13243.tmp 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 0x00022d40
Image base 0x78520000

PE Sections:

Sections 4
Raw data 645632

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

.text 612864 bytes · 94.9% of section data
MD5 47f2c5fae89e382115884f5b62482153
.data 17408 bytes · 2.7% of section data
MD5 219c9a0f1af01fc8585a3b8c71f007e0
.rsrc 1024 bytes · 0.2% of section data
MD5 2ee36f23325f1e0c572eb8e1a5653bc9
.reloc 14336 bytes · 2.2% of section data
MD5 85ba9c90efe7db58d2e5e6ad19c12663

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 4d03ca609e68f4c90cf66515218017f8.
  • 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.