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4641505_downloader-qavx0s89e.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 4641505_downloader-qavx0s89e.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.improveyourthresholds.com.
Publisher:
Site on Spot Limited  (signed and verified)

MD5:
c4249ac75d1eac9c028c0afc90420075

SHA-1:
4c5d6e151db976fd3d6b739dd8ba947be33dbfeb

SHA-256:
a892cd4692ffbb7f741a6bbe6e5cf55c7755db15fc326d5de6269b3ec2aaae8e

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:
5/8/2024 9:31:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSp.Bundler (M)
16.7.1.23

File size:
218 KB (223,192 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\4641505_downloader-qavx0s89e.exe

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

Valid from:
1/28/2015 3:00:00 AM

Valid to:
7/10/2015 2:59:59 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 12:14:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:922ihA0m3BJX0o7WB8TfsJ35zytwDfIBXMDWIZHEzLZE5vkXe2c3EOCYqArGcwKf:GA0m3j0opgHDfGCZHiZERkU+cVQjVmP

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:
7.7492  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file 4641505_downloader-qavx0s89e.exe has been seen being distributed by the following URL.

http://sub.improveyourthresholds.com/Qavx0S89E31956d45387c324652a97c6049ecec680tyJfz4kXMOYToyOntzOjI6InRzIjtpOjE0MzI4NTQ2MjA7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQzMjg1NDEzNDkwNC5leGUiO30=

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