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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. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Kalema   (signed by AgileMax (Alpha Criteria Ltd.))

Product:
Nasema

Description:
Nasema Setup

Version:
2.8.2.6

MD5:
08827f4c1ac29c7096887162dfc51da7

SHA-1:
95686b382e3eb995e5796f7ccd24f332f1a6df67

SHA-256:
94d357eb0d8e836342812cff2db9df9629317480305012fd7c4215c642ffd1ae

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/5/2024 4:31:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.5.25.3

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)

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 1:20:27 PM

Valid to:
9/2/2016 12:46:46 PM

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:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:FnUAjCZSiAZnaknV8+xsnSo/6HWgNlUgz5gxqus1d83OJmZZ7ON6:FUmISfZBxu6HWOOgz5Fu4d297OE

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...
 
[+]

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.currentsigncontent.com/WVl6OTRQVEZIV21scWExVkdibVZaVUVwaGNqTk9OR0V5U0hGNGEydDNUVEpwWWpZM1ZGaE5PVVV6VmpkdGRuY2xNMFFtWXoxUVRFVTJiazAwUW5Wc1JVcDZiazlFWmtjNGNVWlJURmswV1dKdVpXd3lhbTkxVmxWNmVEVk9UakozZW1STE5sY2xNa1pKZWswbE1rSkVXSEIyZVNVeVFrOXBjR293TlZCYWJXbEVWSGx2YTNabWRYUk1PV3hpTUZkMVJGTlNTMkZsU21jME1rdFJlRFpQWTJ4SWNreE5XR2MwVjB0dVZqUTVhMEZQY2tSSFlYb3dibnBhUlVWblQyVlhWMlZxTW04bE1rWTFTRWg0WTFkRFNHSjJkeVV6UkNVelJDWmxQVEFtWkc5M2JteHZZV1JCY3oxWGFXNVNRVkpmVTJWMGRYQXVaWGhs

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