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cr_downloader_for_desmume.exe

eCHANG Net Inc.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application cr_downloader_for_desmume.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. The file has been seen being downloaded from cdn.coolromfiles.com.
Publisher:
eCHANG Net Inc.  (signed and verified)

MD5:
5cd80369d14d16d2365eb5e08df674d3

SHA-1:
4a114293fe65beec2d746e71a5309be958226378

SHA-256:
7e34069761a72a7461b8151831f828d13cddf414a161fe9610f761f2fe1c4bbf

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 '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:
4/19/2024 6:29:54 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

AVG
Generic
2015.0.3282

Dr.Web
Trojan.Packed.29387
9.0.1.05190

ESET NOD32
Win32/InstallCore.QV potentially unwanted application
7.0.302.0

G Data
Win32.Application.InstallCore.CR
14.11.24

K7 AntiVirus
Unwanted-Program
13.185.14098

Reason Heuristics
PUP.eCHANGNet.Z
14.11.22.16

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4786018
35010

Zillya! Antivirus
Adware.InstallCore.Win32.156
2.0.0.1991

File size:
765.5 KB (783,896 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}\downloads\cr_downloader_for_desmume.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:ufcp/H3SnedOBAX1zP/w5qUGoIJ8b/+d6IeeeEpZndJ43EKWgOxsOTgGObAAG5uA:ufc56oj/Rqc8+61evpZdK3R4sOCQV

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:
7.8449

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

Code size:
37 KB (37,888 bytes)

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

http://cdn.coolromfiles.com/?ic_user_id=301

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