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sumatrapdf-2.4.exe

Sumatra PDF

Sevas-S LLC

The application sumatrapdf-2.4.exe by Sevas-S has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from www.joydownload.com.
Publisher:
Sevas-S LLC  (signed and verified)

Product:
Sumatra PDF

Version:
1.0.0.0

MD5:
b8e19a35209f8108b44b7946bcebf81c

SHA-1:
5484b1f99f605328af67e5ed5aaeb07ebf4df7ca

SHA-256:
b7b2b0cbafdbd5afbcb0770166efeb2334b65bf4d3ee08d786cf47727d98a925

Scanner detections:
12 / 68

Status:
Adware

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 5:06:04 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AVG
Downloader
2015.0.3508

Dr.Web
Adware.Downware.1446
9.0.1.0100

ESET NOD32
Win32/OpenCandy
8.9648

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.4037

Malwarebytes
PUP.Optional.OpenCandy
v2014.04.10.02

McAfee
Artemis!B8E19A35209F
5600.7164

Reason Heuristics
PUP.SevasS.N
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14408

Sophos
Generic PUA FE
4.98

Trend Micro House Call
TROJ_GEN.F47V0318
7.2.100

VIPRE Antivirus
Sevas-S Installer
28118

File size:
475.4 KB (486,816 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\sumatrapdf-2.4.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
2/22/2014 7:00:00 PM

Valid to:
3/25/2015 7:59:59 PM

Subject:
CN=Sevas-S LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Sevas-S LLC, L=Kyiv, S=Kyivska oblast, C=UA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
4B35AC223F4DB03D3B4C5368983A4B53

File PE Metadata
Compilation timestamp:
5/19/2013 7:52:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:UaCixFAMdvFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfY0:yixLZFhm7FjDHuzJYz5jtXTBY0

Entry address:
0x31B1

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 71, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 58, 92, 42, 00, E8, 90, 2E, 00, 00, A3, A4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 58, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, C0, 92, 40, 00, 68, A0, 81, 42, 00, E8, FB, 2A, 00, 00, FF, 15, 38, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, E9, 2A, 00, 00...
 
[+]

Entropy:
7.8376

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file sumatrapdf-2.4.exe has been seen being distributed by the following URL.

http://www.joydownload.com/wi/BUQAnUK9wzkggsOTEXL5tw/1395222454/1/3/1/.../sumatrapdf-2.4.exe

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