installer_winrar.exe

Kepo

FunnelOpti (Alpha Criteria Ltd.)

The application installer_winrar.exe, “Kepo Setup ” by FunnelOpti (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:
FunnelOpti (Alpha Criteria Ltd.)  (signed and verified)

Product:
Kepo

Description:
Kepo Setup

Version:
5.4.5.5

MD5:
1badc6ccec8b30839026a477966c9c98

SHA-1:
1eb57242ca1430b7c816c771927c79ee8c2799ff

SHA-256:
cba2348100b628694673f0b7ddd1a48afd9b09214e077636f7a6ad0c504e22b0

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:
12/25/2024 4:16:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.6.7.9

File size:
930.3 KB (952,600 bytes)

Product version:
5.8.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 6:41:21 AM

Valid to:
8/26/2016 10:34:53 AM

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

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

Serial number:
1121C57D0836DF0829F54F07ADA2D08AAFCB

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:ntFmEVQ/q0ZmF228Jn+3oz/oy3RbiHYb+SHuAL:nfjeq2mF2fo3wzRf+SHVL

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9366

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

Code size:
37 KB (37,888 bytes)

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

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