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mseinstall.exe

The application mseinstall.exe has been detected as a potentially unwanted program by 17 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:
291812a292b1c496ecb82699876d30ff

SHA-1:
7afc0e7559bcc7ba9850f900ccf583099e7343dc

SHA-256:
993819dbfaa433317a2762e05efd093a2d5bd576500bde878cc2477e92679deb

Scanner detections:
17 / 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:
4/18/2024 5:29:00 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.2.4

avast!
Win32:PUP-gen [PUP]
151004-0

AVG
OutBrowse
2016.0.2912

Comodo Security
Application.Win32.InstallCore.KAU
23671

Dr.Web
Adware.InstallCore.133
9.0.1.05190

ESET NOD32
Win32/InstallCore.GQ potentially unwanted application
7.0.302.0

F-Prot
W32/A-dbe1ec51
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.212.17997

Malwarebytes
PUP.Optional.InstallCore
v2015.11.28.07

Microsoft Security Essentials
Threat.Undefined
1.211.1149.0

Qihoo 360 Security
QVM20.1.Malware.Gen
1.0.0.1077

Quick Heal
PUA.Quickdownl.Gen
11.15.14.00

Sophos
PUA 'Install Core'
5.20

Total Defense
Win32/InstallCore.A!generic
37.1.62.1

Vba32 AntiVirus
Downware.InstallCore
3.12.26.4

VIPRE Antivirus
Threat.4786018
45208

File size:
666.7 KB (682,688 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\Documents and Settings\{user}\My documents\downloads\mseinstall.exe

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:OOyMJfsGHkG2bDBh8hv6c9P0ClNI2GwyA4gRVdeZ+GCxxRjLOWj9RBGu9TO:OOyMJfs2n2bV+icl0Cc26gR3JGCbRjL/

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:
7.8176

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=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJjYSIsIm8iOiJ3aW54cCIsImIiOiJjaDMxIiwidV9pZCI6ImRpXzUyYTA3ZmUzNzYyYzAyLjg3NjAzODg4IiwicGFfaWQiOiIwIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM4NjI1MDIxMSwia3ciOiJkb3dubG9hZCBtcyBzZWN1cml0eSBlc3NlbnRpYWxzIiwiY3UiOiJkb3dubG9hZCBtcyBzZWN1cml0eSBlc3NlbnRpYWxzIiwiY2EiOm51bGx9

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