icreinstall_avast_free_antivirus_rus_setup.exe

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_avast_free_antivirus_rus_setup.exe has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the installCore 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. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
MD5:
405f966c8772f62cea5a661fc7c99c78

SHA-1:
ec57e29c6f0566b9050661cf7bbad33919a80396

SHA-256:
5cbb16da95b6aa967bdba0226f99fc99c5f80a83cceaf5db95c9f4ae7dea22e6

Scanner detections:
13 / 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:
12/25/2024 4:35:31 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.119.234

Bkav FE
W32.Clodf6b.Trojan
1.3.0.4613

Comodo Security
Application.Win32.InstallCore.CM
17450

Dr.Web
Adware.InstallCore.133
9.0.1.0357

ESET NOD32
Win32/InstallCore.CU (variant)
7.9179

K7 AntiVirus
Unwanted-Program
13.174.10530

Malwarebytes
PUP.Optional.Freemium.A
v2013.12.23.06

McAfee
Artemis!405F966C8772
5600.7272

Reason Heuristics
PUP.InstallCore.Installer.k
14.3.21.14

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.131221

Trend Micro House Call
TROJ_GEN.R0CBH07JO13
7.2.357

VIPRE Antivirus
InstallCore
24426

File size:
639.9 KB (655,256 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

File PE Metadata
Compilation timestamp:
6/20/1992 4:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:xyMJfsGY2Jcdgx9dLEXLp4WCPna/jMV2FUoaZCLRQIiQd6Vmk:xyMJfsF2JNx9dLaLpkPna7MVsXAmk

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 icreinstall_avast_free_antivirus_rus_setup.exe has been seen being distributed by the following URL.

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)