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winrar_setup.exe

Nasema

AgileMax (Alpha Criteria Ltd.)

The application winrar_setup.exe, “Nasema Setup ” by AgileMax (Alpha Criteria) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Kalema   (signed by AgileMax (Alpha Criteria Ltd.))

Product:
Nasema

Description:
Nasema Setup

Version:
2.8.2.6

MD5:
1f18f520065ed6d0ed7cf41ff55fa33d

SHA-1:
d2fb13a23adf0cba181156a13efe2bffaaea80bc

SHA-256:
14152818ec57a5d506431244e5a6de457d9a67578fa5c8c503ce86bdd9dea83d

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/25/2024 11:19:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.5.25.7

File size:
937.9 KB (960,360 bytes)

Product version:
1.0.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
AgileMax (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 12:20:27 PM

Valid to:
9/2/2016 11:46:46 AM

Subject:
CN=AgileMax (Alpha Criteria Ltd.), O=AgileMax (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121FDBE79F75900E75EC6DA424D0A814FB0

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:NnUAjCZSiAZnaknV8+xsnSo/6HWgNlUgz5gxqus1d83OJmZZ7ON6:NUmISfZBxu6HWOOgz5Fu4d297OE

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9363

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.toursharemega.com/c?x=9IWG tZ0wDAD0jqi9PBkOPjTBWhf5tgp0PlOEuHHYbM=&c=6kVY2S//2HFzPJbaAFwQn6iKcSAH1qNko0lrtp1dWwFCfurr78w2Vk1v71quT/.../C63qj42P uElh2L1pqLpOyHh3c D1uqyQ2o5u2AUSrDE=&e=0&downloadAs=WinRAR_Setup.exe

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