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icreinstall_cr_downloader_for_grand-theft-auto---san-andreas.exe

eCHANG Net Inc.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_cr_downloader_for_grand-theft-auto---san-andreas.exe by eCHANG Net has been detected as adware by 10 anti-malware scanners. 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
eCHANG Net Inc.  (signed and verified)

MD5:
a47cd81a2db490fd44414d48ace8225b

SHA-1:
aa05704aa7b85d106371de6f2d793b26bdfea133

SHA-256:
22e3b4fae9c03aa2305890349e0543e6b06c2031a7b198f2e04a92375fe97d16

Scanner detections:
10 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 12:02:58 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3283

Dr.Web
Trojan.MulDrop5.38502
9.0.1.05190

ESET NOD32
Win32/InstallCore.PL potentially unwanted application
7.0.302.0

G Data
Win32.Application.InstallCore.CR
14.11.24

K7 AntiVirus
Unwanted-Program
13.185.14098

Malwarebytes
PUP.Optional.InstallCore
v2014.11.21.08

Reason Heuristics
PUP.eCHANGNet.HH
14.11.21.20

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4786018
34948

Zillya! Antivirus
Adware.InstallCore.Win32.156
2.0.0.1989

File size:
768.5 KB (786,960 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_cr_downloader_for_grand-theft-auto---san-andreas.exe

Digital Signature
Signed by:
eCHANG Net Inc.

Authority:
Thawte, Inc.

Valid from:
8/11/2014 7:00:00 PM

Valid to:
8/12/2015 6:59:59 PM

Subject:
CN=eCHANG Net Inc., OU=IT, O=eCHANG Net Inc., L=Vancouver, S=British Columbia, C=CA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
5EED2F2FB7AE7CF93BB2E11ECC2F164F

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):
12288:zgvpzoX5dluK43x0IpmSZE80afSpP+VgF5yHG/c6Q0Bmg7fEXCIJzXz0mxtUCSkd:zgvhC/0inY/0NP+aFEUdQ0Bmgb5Ieupp

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, 53, C9, FF, FF, E8, 9A, 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:
7.8426

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

Code size:
37 KB (37,888 bytes)

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)

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