pdftoword_setup.exe

The application pdftoword_setup.exe has been detected as a potentially unwanted program by 17 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 setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from www.freepdfsolutions.com.
MD5:
d6508457c592e49ab74f9c777fbf37ae

SHA-1:
16118c361559fc2e29c43de1bf1f9b2e13cb5dee

SHA-256:
c94c3e5ac74e08e7603ddc868f88fea5a045cf2d5e3e0d69d7f40f38a7f0f9cd

Scanner detections:
17 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
12/26/2024 12:43:52 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2013.11.09

AVG
MalSign.Generic
2014.0.3616

Bkav FE
W32.Cloda83.Trojan
1.3.0.4613

Comodo Security
Application.Win32.OutBrowse.~A
17558

Dr.Web
Adware.Downware.1336
9.0.1.0357

ESET NOD32
Win32/OutBrowse
7.9253

Fortinet FortiGate
W32/OutBrowse.D
12/23/2013

K7 AntiVirus
Trojan
13.175.10735

Kaspersky
not-a-virus:Downloader.NSIS.Agent
14.0.0.4576

Malwarebytes
PUP.Optional.Smart
v2013.12.23.08

McAfee
RDN/Generic PUP.x!b2q
5600.7272

NANO AntiVirus
Trojan.Win32.OutBrowse.crupsg
0.28.0.57029

Panda Antivirus
Suspicious file
14.01.07.03

Sophos
Generic PUA BG
4.96

Trend Micro House Call
TROJ_GEN.R0CCB01JR13
7.2.357

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
OutBrowse
25114

File size:
572.3 KB (586,003 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:bIx2ArFBW4zcfmQT5XxrxuiABXpf3PKk9hxsesWj7TlalYAyBMJD:bIx3rFB5jK5XdlAbfXhllalhyax

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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