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microsoft_excel.exe

WEBCELLENCE LTD

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application microsoft_excel.exe by WEBCELLENCE has been detected as adware by 8 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.downloadastrocontent.com.
Publisher:
WEBCELLENCE LTD  (signed and verified)

MD5:
f2a346af579140f240bb97e53bc26c92

SHA-1:
4ba03927ce1f729a11b36d097a2dd3ff7bee7308

SHA-256:
d6e7a1b976b145d6fa887e5e6a955dd5a5a466bc165b5d83fd101b4ac4695d45

Scanner detections:
8 / 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:
4/19/2024 4:43:36 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.197.26

AVG
Generic
2015.0.3253

Dr.Web
Trojan.InstallCore.24
9.0.1.05190

ESET NOD32
Win32/InstallCore.SZ potentially unwanted application
7.0.302.0

NANO AntiVirus
Riskware.Win32.InstallCore.djocsd
0.28.6.64267

Reason Heuristics
PUP.installCore.WEBCELLENCE
15.5.3.0

VIPRE Antivirus
Threat.4150696
35418

File size:
794.1 KB (813,112 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\microsoft_excel.exe

Digital Signature
Signed by:
WEBCELLENCE LTD

Authority:
COMODO CA Limited

Valid from:
10/20/2014 5:00:00 PM

Valid to:
10/21/2015 4:59:59 PM

Subject:
CN=WEBCELLENCE LTD, O=WEBCELLENCE LTD, STREET=Nurit, L=Ora, S=Israel, PostalCode=90880, C=IL

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

Serial number:
00BE07C5030900E79AAB032F01B13AC0FF

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:VFxvCY1VkxmsxDhvHBnDL+Bs2NiZztIqO+Pm5A:VF191imsBhvhnP+tNkOYmG

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:
7.8278

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

Code size:
37 KB (37,888 bytes)

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

http://cdn.downloadastrocontent.com/?ic_user_id=646

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