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cr_downloader_for_xeon.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_xeon.exe by eCHANG Net has been detected as adware by 14 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 coolrom.com.
Publisher:
eCHANG Net Inc.  (signed and verified)

MD5:
e87fb4a4075c8268e106fe78237d2f0a

SHA-1:
056c8496191b129873bc7ade556d3ceca9d6ea45

SHA-256:
750befd1a181905c67af76d2d256dfb68b0ace36e0dc8daff1feabbbc9831146

Scanner detections:
14 / 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:
4/24/2024 6:36:56 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.179.120

AVG
Generic
2015.0.3312

Dr.Web
Trojan.MulDrop5.38502
9.0.1.05190

ESET NOD32
Win32/InstallCore.PL potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.184.13727

Malwarebytes
PUP.Optional.InstallCore
v2014.10.24.02

NANO AntiVirus
Riskware.Win32.InstallCore.dfgovb
0.28.2.62671

Reason Heuristics
PUP.eCHANGNet.W
14.10.24.2

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Muldrop
10281

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Threat.5063361
33706

Zillya! Antivirus
Adware.InstallCore.Win32.156
2.0.0.1959

File size:
736.9 KB (754,608 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Digital Signature
Signed by:
eCHANG Net Inc.

Authority:
Thawte, Inc.

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

Valid to:
8/12/2015 7:59:59 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 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:4wYvpHLzf7sbASxkrz17hpejDVl+cvMMjbFCBvMTjId7rWauzzv+Md9gDJdiT:4wYvtXf7s3kz1u/p39WvMXIdvRoMcT

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:
7.8354

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

Code size:
37 KB (37,888 bytes)

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

http://coolrom.com/downloader.php?id=62&emu=nm

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