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freewareprimopdf.exe

The application freewareprimopdf.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from software-files-l.cnet.com and multiple other hosts.
MD5:
464e55564ecf2b81dfb0314e21f8db8c

SHA-1:
452b4bf8d6efa52a94aa76882f88c39a64a07dde

SHA-256:
452d9eb6cb35de8af100dbb0650a28f6ec2dfe3f6112243f991fcff4bff4a217

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
4/25/2024 2:10:31 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Agent
4.0.3.14426

ESET NOD32
Win32/OpenCandy
8.9586

Fortinet FortiGate
W32/Adware_fam.NB
4/26/2014

Malwarebytes
PUP.Optional.OpenCandy
v2014.04.26.07

Microsoft Security Essentials
Adware:Win32/OpenCandy
1.10401

Sophos
OpenCandy
4.98

VIPRE Antivirus
Opencandy
27708

File size:
7.4 MB (7,744,980 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

File PE Metadata
Compilation timestamp:
6/6/2009 2:41:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
196608:Mg1fBvcyDvP8Sov0aUzGzg0oskuGsd1W/X4n:JfBvcyDvk10wzgokG1Wwn

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9994

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file freewareprimopdf.exe has been seen being distributed by the following 3 URLs.

http://software-files-l.cnet.com/s/software/11/10/79/.../FreewarePrimoPDF.exe

http://www.pfiger.com/.../primop.exe

http://software.utilidades-utiles.com.s3.amazonaws.com/FreewarePrimoPDF.exe

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