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mseinstall.exe

The application mseinstall.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from downloader2.downloadinfo.co a web site host known to distribute potentially unwanted software operated by Downloadinfo.
MD5:
bec4654a38c5e3157a7df163e1e08f11

SHA-1:
e38d9735d63b6f58fcd5c6607225c65516085106

SHA-256:
0bb7d5d512de9fb12927b945a41a5ad6b5ea142d2d3251225e70c2ea82f35051

Scanner detections:
3 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/19/2024 9:05:30 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Adware InstallCore.VP
2013.0.4447

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
6.3

Reason Heuristics
PUP.FusionCore.ICDP (L)
16.12.5.3

File size:
667 KB (683,016 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\mseinstall.exe

File PE Metadata
Compilation timestamp:
6/19/1992 4:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:jMJfsGCwFdtuvAlqWN1M5DbQcZHcBugwH7i0IAKTeJYzXngmg0LbtS3lrxD2F91A:jMJfsN+yAggkNeugqi0I11Xpg0VStwFd

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8217

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

The file mseinstall.exe has been seen being distributed by the following URL.

http://downloader2.downloadinfo.co/download.php?id=0a6816afbbe8fbbbcccecd1caa285e479863ec03&z=0&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJjYSIsIm8iOiJ3aW52IiwiYiI6ImNoMzAiLCJ1X2lkIjoiZGlfNTI3YTg5ZGI5M2U4NTAuOTk2MDU3ODQiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgzNzYyMzk1LCJrdyI6Im1pY3Jvc29mdCBzZWN1cml0eSBlc3NlbnRpYWxzIiwiY3UiOiJtaWNyb3NvZnQgc2VjdXJpdHkgZXNzZW50aWFscyIsImNhIjpudWxsfQ==

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