skype_rus_full_setup.exe

IronInstall

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application skype_rus_full_setup.exe by IronInstall 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 file has been seen being downloaded from installcore.besplatnyeprogrammy.ru.
Publisher:
IronInstall  (signed and verified)

MD5:
badaab67cfab3c299db18601a29894d7

SHA-1:
8640ba8de95b025c013a2db1ac1acbb1ba44d062

SHA-256:
90a9cb0e0c2c69df3f168dda9864c49061f05730b05c0faad81b8bb4f1bf7492

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/7/2024 12:27:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.IronInstall.Installer (M)
16.2.2.22

File size:
620.9 KB (635,824 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
11/20/2012 1:00:00 AM

Valid to:
11/21/2015 12:59:59 AM

Subject:
CN=IronInstall, O=IronInstall, STREET=63 Rothschild Blvd., L=Tel-Aviv, S=NA, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
2DC5BB8E9D823CD0C4F09AE859BBBEAC

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):
12288:t8MJfsst29N5iD/C+7n9aHRko4piRGcvoSMFoEMBUr1kMPjM408eyf:t8MJfsq291kn9aHRkoVpwfMsOa

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...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

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