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pdfmerge_setup.exe

Rspark LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application pdfmerge_setup.exe by Rspark has been detected as adware by 17 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. The file has been seen being downloaded from software-files-a.cnet.com.
Publisher:
Rspark LLC  (signed and verified)

MD5:
653c4e8a24e29cf3b42df833a0e4f800

SHA-1:
94dbed635b06e0b74eb99b03aaf810ecde248f0a

SHA-256:
98ff0c20ad323d71918a00bd9b9d7ba21dd46bfe7b120a9dea25ad6b0ec8d4c4

Scanner detections:
17 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/11/2024 1:37:37 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.E
663

Bitdefender
MemScan:Application.Bundler.Outbrowse.E
1.0.20.515

Dr.Web
Adware.Downware.2081
9.0.1.0196

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse
8.15.07.15.04

ESET NOD32
Win32/OutBrowse.T potentially unwanted application
9.7.0.302.0

F-Secure
MemScan:Application.Bundler.Outbrowse
11.2015-13-04_2

G Data
MemScan:Application.Bundler.Outbrowse
15.4.24

herdProtect (fuzzy)
variant of setup.exe (Adware)
2015.7.15.4

K7 AntiVirus
Unwanted-Program
13.186.14161

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
14.0.0.1734

Malwarebytes
PUP.Optional.Outbrowse
v2015.04.13.03

McAfee
Artemis!653C4E8A24E2
5600.6797

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.E
16.0.0.309

nProtect
Trojan-Clicker/W32.OutBrowse.942552
14.11.27.01

Reason Heuristics
PUP.Bundler.Outbrowse
15.4.12.23

Trend Micro House Call
Suspicious_GEN.F47V0611
7.2.103

VIPRE Antivirus
Threat.4150696
35088

File size:
921.2 KB (943,344 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/24/2013 7:00:00 PM

Valid to:
1/26/2015 7:00:00 AM

Subject:
CN=Rspark LLC, O=Rspark LLC, L=Seattle, S=Washington, C=US

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0ADE80060D1D9FFF62ADB2CF331C657C

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:62HXdyZNrNF/4lgGhpwJxmntY1VKc9IsTELQV:bHXc3BqXp6fScKsILW

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...
 
[+]

Entropy:
7.9171

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://software-files-a.cnet.com/s/software/13/77/37/.../pdfmerge_setup.exe

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