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freefontpack.exe

DownloadManager.exe

Optimum Installer

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application freefontpack.exe, “Free Font Pack ” by Optimum Installer 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 Adknowledge Fusion installer. The file has been seen being downloaded from install2.optimum-installer.com.
Publisher:
ADK Apps  (signed by Optimum Installer)

Product:
DownloadManager.exe

Description:
Free Font Pack

Version:
2.1.19

MD5:
5aa391bdb28fe0020e16c28cc9f1645b

SHA-1:
d2a1f22b9e43cb8da8c0c6ac97a7a837e2c4f38c

SHA-256:
8b160c76697f5fbf88ab841f2c277e9c405e34f29b23ac92aa61262c3fdb16fc

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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 4:19:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.OptimumInstaller.Installer (M)
16.1.25.18

File size:
675.3 KB (691,496 bytes)

Product version:
2.1.19

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
Optimum Installer

Authority:
VeriSign, Inc.

Valid from:
10/10/2012 6:00:00 PM

Valid to:
11/7/2013 4:59:59 PM

Subject:
CN=Optimum Installer, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Optimum Installer, L=Kansas City, S=Missouri, C=US

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:
7C5F27B776ADBBB7943F700066A490BF

File PE Metadata
Compilation timestamp:
1/28/2013 7:29:14 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:b+upWcpMZaCyXMDIqqx2qpggRQggETiuBFbLzPo6Jp0K4VUpsOk:b+uAcpM0XMDIEqphQggETiuTbLkBCsB

Entry address:
0x4E395

Entry point:
E8, EE, C9, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 67, CA, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 6C, A9, 49, 00, E8, 06, 39, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 33, 91, 00, 00, 6A, 01, 6A, 00, E8, 66, CD, 00, 00, 83, C4, 0C, E9, 47, CC, 00, 00, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B, DF, 77, 1E, E8, 9B, 03, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, BF, AF, FF, FF, 83, C4, 14...
 
[+]

Entropy:
6.4247

Code size:
429 KB (439,296 bytes)

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

http://install2.optimum-installer.com/o/.../FreeFontPack.exe

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