flvplayer_downloader-nakafudvn.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-nakafudvn.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.rhionx.info and multiple other hosts.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
1378dc4511821ff81481cf42890633c6

SHA-1:
e9ad54ee8076c63cc3acf990486cd5d65f7dcb87

SHA-256:
5a92db70667bae35b3ee32cbfa88d451c62737d18a09bd50f4539a0957f986be

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:
4/28/2024 11:47:53 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSp.Bundler (M)
16.7.2.11

File size:
403.6 KB (413,248 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
1/28/2015 5:30:00 AM

Valid to:
7/10/2015 5:29:59 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 2:44:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
12288:FA0i50GGk2gndZ5DS7q7HYYlatZvJmnv4I/:FAfyGbldzn7H3atZA4I/

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:
7.8976  (probably packed)

Code size:
28.5 KB (29,184 bytes)

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

http://sub.rhionx.info/Qf5hfaQ7Yaa2a700a7f4bea958da461e88251293d07JWE26RTwIYToyOntzOjI6InRzIjtpOjE0Mjg2NzgyMzU7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQyODY3ODE0NTUyNi5leGUiO30=

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