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free_pdf_to_word_converter_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 free_pdf_to_word_converter_he.exe by Webcellence has been detected as adware by 23 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 safe.to.download.downloadastro.com and multiple other hosts.
Publisher:
Webcellence Ltd.  (signed and verified)

MD5:
dc7faeb26c49b6c88d38944a2aac64f6

SHA-1:
db66ecd103e2df5d8d907118a724c4a07f650316

SHA-256:
faab79cd5d947f7e4cf8efa35ff4c96ee131bddaad88892570b8ee52100e072c

Scanner detections:
23 / 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:
5/11/2024 2:35:30 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Strictor.48839
1115

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.AT.13
7.11.125.100

Bitdefender
Gen:Variant.Strictor.48839
1.0.20.75

Bkav FE
W32.Clodc7b.Trojan
1.3.0.4613

Comodo Security
Application.Win32.InstallCore.KAT
17618

Dr.Web
Trojan.Packed.24524
9.0.1.015

Emsisoft Anti-Malware
Gen:Variant.Strictor.48839
8.14.01.15.04

ESET NOD32
Win32/InstallCore.FD
8.9295

F-Prot
W32/InstallCore.R.gen
v6.4.7.1.166

F-Secure
Gen:Variant.Strictor.48839
11.2014-15-01_4

G Data
Gen:Variant.Strictor.48839
14.1.24

IKARUS anti.virus
Backdoor.Hupigon
t3scan.2.2.29

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.4462

Malwarebytes
PUP.Optional.InstallCore.A
v2014.01.15.04

McAfee
Artemis!05435D40F47B
5600.7219

MicroWorld eScan
Gen:Variant.Strictor.48839
15.0.0.45

Reason Heuristics
PUP.Webcellence.DD
14.8.7.20

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14113

Sophos
Install Core Click run software
4.96

SUPERAntiSpyware
PUP.InstallCore/Variant
10844

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore.b
25452

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\free_pdf_to_word_converter_he.exe

Digital Signature
Signed by:
Webcellence Ltd.

Authority:
VeriSign, Inc.

Valid from:
3/4/2013 7:00:00 PM

Valid to:
5/4/2014 7:59:59 PM

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:
6/19/1992 6:22:17 PM

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:
7.7997

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

Code size:
36 KB (36,864 bytes)

The file free_pdf_to_word_converter_he.exe has been seen being distributed by the following 2 URLs.

http://safe.to.download.downloadastro.com/free_pdf_to_word_converter_he.exe

http://api.downloadastro.com/api/downloader/.../he?callback=jsonpCallbackDownload&_=1382041502

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