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flvplayer_downloader-nb95gxfvz.exe

Site on Spot Limited

This is the Somoto BetterInstaller, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application flvplayer_downloader-nb95gxfvz.exe by Site on Spot Limited 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 sub.nappee.info and multiple other hosts.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
831ecb78856c41630a0902ce8e26b88b

SHA-1:
cc96e5958c7dfbcd0caba9753854f2857eaee094

SHA-256:
0e53051f7ebd3e2de069bb6ee30c88df35585eac36af47fe97bc98e4ef2bf1a0

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/4/2024 12:37:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSpot.Bundler (M)
16.2.17.19

File size:
403.7 KB (413,352 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\flvplayer_downloader-nb95gxfvz.exe

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

Valid from:
1/28/2015 7:00:00 AM

Valid to:
7/10/2015 6:59:59 AM

Subject:
CN=Site on Spot Limited, O=Site on Spot Limited, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
477E336D7B42EDDDED42DABF6FAB572F

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):
12288:8A0i50G0ybLdeTnMTNRjXR/EUwqgrutqDGmd1:8AfyG0dMPjXxSrujo

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:
7.8984  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file flvplayer_downloader-nb95gxfvz.exe has been seen being distributed by the following 2 URLs.

http://sub.nappee.info/Q2yt4wPgL30f663f2ca4a4c1eb7ffc02995a77dc60Byqk3I0VIWYToyOntzOjI6InRzIjtpOjE0Mjc1NzE4OTA7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQyNzU2OTM0MzUyNC5leGUiO30=

http://sub.nappee.info/Nb95gxfvZfff7b6e053608d902a625070c4ccaf860DSwThGvdKjYToyOntzOjI6InRzIjtpOjE0Mjc1NzA2OTI7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQyNzU2OTM0MzUyNC5leGUiO30=

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