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pdfcompressor - chip downloader.exe

ISfreemium

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application pdfcompressor - chip downloader.exe by ISfreemium has been detected as adware by 6 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 download-is.chip.eu.
Publisher:
ISfreemium  (signed and verified)

MD5:
319c88c881f2191aa71facdadc720a40

SHA-1:
8b3ebc92b66f7090a7978015c996c1f1592a1a12

SHA-256:
c4b1e3a29670807c886ffe9334381e93553fade1a93ee0626651a6f80631d3ed

Scanner detections:
6 / 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:
1/12/2025 3:24:28 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Adware Generic6.CNIV
2015.0.4568

Dr.Web
Trojan.Packed.24524
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Strictor.103245
11.5.0.6191

ESET NOD32
Win32/InstallCore.CH potentially unwanted application
8.0.319.0

Norman
Gen:Variant.Strictor.103245
28.05.2016 15:32:18

Reason Heuristics
PUP.installCore.ISfreemi (M)
16.6.9.1

File size:
649.1 KB (664,640 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Digital Signature
Signed by:
ISfreemium

Authority:
COMODO CA Limited

Valid from:
7/3/2013 12:00:00 AM

Valid to:
7/3/2014 11:59:59 PM

Subject:
CN=ISfreemium, O=ISfreemium, STREET=63 Rothschild 63 BV, L=Tel-Aviv, S=N/A, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009B517CAF08AA1A85822DB0CE5E9169FE

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:WVyMJfsGfqd+dfzkfxxhBUF1uGuhSY3sF4C2G/bqYpTsGTJpyVWkgCpcGF3S9yWE:WVyMJfsIqd8fzkZrPGK8ao/OOTP+WwFc

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...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file pdfcompressor - chip downloader.exe has been seen being distributed by the following URL.

http://download-is.chip.eu/.../index.php?cid=162239

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