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microsoft_word_he.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_word_he.exe by Webcellence has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from api.downloadastro.com.
Publisher:
Webcellence Ltd.  (signed and verified)

MD5:
a1dabc00cf834c4c9c38fde829c60a02

SHA-1:
b44f40531bf7a91988c77c1252ca803ef6b6c5ed

SHA-256:
f41533c5dcbf3297485f93f4e6bab4c4d2e192504a741351a5e05a49672ecc00

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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 2:52:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.7.22

File size:
663.8 KB (679,736 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\microsoft_word_he.exe

Digital Signature
Signed by:
Webcellence Ltd.

Authority:
VeriSign, Inc.

Valid from:
3/5/2013 2:00:00 AM

Valid to:
5/5/2014 2:59:59 AM

Subject:
CN=Webcellence Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Webcellence Ltd., L=Moshav Ora, S=Israel, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
2742F1242826FB7F69B052B7F394DFED

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:mZMJfsGGgMccNzVhzC5W7zD7UMyPlIIZUv/rgY2DfLo2+NbHy0h0tD5R:GMJfs1gxcVVhzMW7zDIFNp0rgxbLo9VM

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...
 
[+]

Entropy:
7.7999

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

Code size:
36 KB (36,864 bytes)

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

http://api.downloadastro.com/api/downloader/.../he?callback=jsonpCallbackDownload&_=1387220110

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