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pdftoword_setup.exe

Rspark LLC

Part of the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application pdftoword_setup.exe by Rspark has been detected as adware by 12 anti-malware scanners. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.freepdfsolutions.com.
Publisher:
Rspark LLC  (signed and verified)

MD5:
1df70564bdb96dbfd17bb562c8d7107c

SHA-1:
ffcbc13bfb9637978a1c226dad220a2459d2d1e2

SHA-256:
0207bb1026729b008ecfe363eaf489f47e13be837930eb985a9dcf577bf613ba

Scanner detections:
12 / 68

Status:
Adware

Analysis date:
4/18/2024 3:53:31 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
APPL/DownloadGuide.Gen2
7.11.171.66

avast!
Win32:DownloadGuide-B [PUP]
2014.9-140911

AVG
BundleApp
2015.0.3510

ESET NOD32
Win32/DownloadGuide (variant)
8.9649

G Data
Win32.Application.DownloadGuide
14.4.24

IKARUS anti.virus
PUA.DownloadGuide
t3scan.1.7.5.0

Malwarebytes
PUP.Optional.Breitschopp
v2014.04.08.05

McAfee
Artemis!1DF70564BDB9
5600.7166

Reason Heuristics
PUP.Installer.Rspark.P
14.4.8.17

Trend Micro House Call
TROJ_GEN.F47V0327
7.2.98

VIPRE Antivirus
DownloadGuide
28120

File size:
445.1 KB (455,784 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\pdftoword_setup.exe

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/25/2013 12:00:00 AM

Valid to:
1/26/2015 12:00:00 PM

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:
0976B99960384A542A28908A69282E73

File PE Metadata
Compilation timestamp:
3/24/2014 9:03:17 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:vjk2l0jFmS8kaBHYG+jqUKZCVxsxCsMrkDQk1jvO+AzF6GH8VPflPrGGuhfiN5zN:v10WHYfoUsxCsLD5rKuVX1PN53ELy

Entry address:
0x19586

Entry point:
E8, 9E, 48, 00, 00, E9, 89, FE, FF, FF, 8B, 44, 24, 08, 8B, 4C, 24, 10, 0B, C8, 8B, 4C, 24, 0C, 75, 09, 8B, 44, 24, 04, F7, E1, C2, 10, 00, 53, F7, E1, 8B, D8, 8B, 44, 24, 08, F7, 64, 24, 14, 03, D8, 8B, 44, 24, 08, F7, E1, 03, D3, 5B, C2, 10, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, AC, 6D, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0...
 
[+]

Entropy:
6.9651

Code size:
144 KB (147,456 bytes)

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

http://www.freepdfsolutions.com/.../pdftoword_setup.exe

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