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sumatrapdfsetup.exe

Somoto Ltd.

Somoto uses a monetization platform known as the 'Better Installer' to provide the ability of 3rd party developers to bundle various adware packages through an affiliate pay-per-install program. The application sumatrapdfsetup.exe, “Powered by BetterInstaller” by Somoto 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 Somoto BetterInstaller installer. The file has been seen being downloaded from dur34efymch15.cloudfront.net.
Publisher:
Somoto Ltd.  (signed and verified)

Description:
Powered by BetterInstaller

Version:
2.0.0.0

MD5:
b0f4815e4d442d0bc99fa2f962d6622e

SHA-1:
ac5901400b3094d221477f528a50b61a0096706e

SHA-256:
d5ce5100ce85dc2bcb4e62246b7609cd1ab97438e2095fe73e2c88cb8ae6ee2c

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
4/25/2024 8:55:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.Bundler (M)
16.3.9.1

File size:
158.8 KB (162,592 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

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

Digital Signature
Signed by:
Somoto Ltd.

Authority:
COMODO CA Limited

Valid from:
9/20/2011 7:00:00 AM

Valid to:
9/20/2014 6:59:59 AM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., STREET=PO Box 58096, L=Tel Aviv, S=--, PostalCode=61580, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00841D099D16B738F34172FEEFE1D2574F

File PE Metadata
Compilation timestamp:
12/17/2010 4:14:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:B22ihA0m3BJf0vMU5CH2wV5sn9VPcdzuqnStl8LsDPAMW2Ius:iA0m3T0vcH2wV5sn7PQzu3l8Lt1us

Entry address:
0x39AC

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 97, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 42, 43, 00, 00, 6A, 00, E8, AB, 46, 00, 00, 6A, 08, A3, 88, 4C, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 38, 4D, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, F0, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 4D, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, FE, 42, 00, 00, 52, 52, 50, 68, 00, D0, 42, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 39, 42, 00, 00, 83...
 
[+]

Entropy:
7.5847

Code size:
28.5 KB (29,184 bytes)

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

https://dur34efymch15.cloudfront.net/installers/9/1/ch/.../SumatraPDFSetup.exe

Remove sumatrapdfsetup.exe - Powered by Reason Core Security
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