vcomp100.dll.bak file report

MD5 a7e63d69f1d55a3662907ecd48b345ca
Latest seen 2022-04-26 23:33:23 (4 years ago)
First seen 2017-07-14 11:17:35 (8 years ago)
Size 49 KB

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2017-07-14 11:17:35 (8 years ago); latest analysis 2022-04-26 23:33:23 (4 years ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® Visual Studio® 2010.

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.

vcomp100.dll.bak is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Visual Studio® 2010. The reported company name is Microsoft Corporation. The current detection status is Clean, based on the latest analysis from 2022-04-26 23:33:23 (4 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.

Product Name: Microsoft® Visual Studio® 2010
Company Name: Microsoft Corporation
MD5: a7e63d69f1d55a3662907ecd48b345ca
Size: 49 KB
First Published: 2017-07-14 11:17:35 (8 years ago)
Latest Published: 2022-04-26 23:33:23 (4 years ago)
Status: Clean (on last analysis)
Analysis Date: 2022-04-26 23:33:23 (4 years ago)
Signed By: Microsoft Corporation
Status: Valid

The signature on vcomp100.dll.bak 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.

%localappdata%\tencent\cross\updateinstall\666
%programfiles%\tencent\weiyundisk\weiyundisk\bin
%programfiles%\photoperfect
%sysdrive%\config.msi
%programfiles%\tencent\qtalk\v4.6.35\bin
%programfiles%\tencent\tgp\apps\cross\core\stable
%programfiles%\tencent\tgp\apps\cross
%programfiles%\tencent\tgp\apps\poe\cross\core\stable
%programfiles%\tencent\qtalk\v4.6.69\bin
%programfiles%\wintools

ThreatInfo has observed vcomp100.dll.bak 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.

vcomp100.dll
vcomp100.dll.quarantined
25055317.rbf
vcomp100.dll.bak

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.

28.4%
19.4%
16.4%
9.7%
7.5%
5.2%
2.2%
1.5%
1.5%
1.5%
1.5%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%
0.7%

The strongest geographic signal for this file is China with 28.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 79.1%
Windows 7 19.4%
Windows 8.1 1.5%

The most common operating system signal for vcomp100.dll.bak is Windows 10 with 79.1% 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.

vcomp100.dll.bak is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x72880000
Entry Address: 0x000057f4

PE Sections:

Name Size of data MD5
.text 36864 34ae926805b86d281412754f1754f1af
.data 512 5e1733629796dd75dc1deb0f0bc7c4b7
.rsrc 4096 a18a5bf8388a20dd9fa54290ba2a500a
.reloc 2560 60ec49de5e6a645af85e11296e7643e9

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.

More information: