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installation.exe

Otopia Soft

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by Otopia Soft 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 OutBrowse Revenyou installer. The file has been seen being downloaded from clk1007.com.
Publisher:
Otopia Soft  (signed and verified)

MD5:
dffb88536c759933ae4135ef1e1a129c

SHA-1:
c57fa7e21903eae57f2e040892fa6ccfbbc76b8b

SHA-256:
25f03e6b8436798edeaf0a2150be6280ef9456a9c50a44bcedadac0f18113780

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:
11/6/2024 7:44:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.OtopiaSoft.Bundler (M)
15.10.16.23

File size:
573.7 KB (587,464 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Otopia Soft

Authority:
thawte, Inc.

Valid from:
12/16/2014 5:00:00 PM

Valid to:
12/17/2015 4:59:59 PM

Subject:
CN=Otopia Soft, O=Otopia Soft, L=Dublin, S=Dublin, C=IE

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

Serial number:
13322CE09A267D0E43AD6494E31B8A89

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:6toGrzFLTcLNmQYb72ZuEXQk94UbQhvCvLti5YhMnpNNf9W:6e8xhQYbCbX79z64tiCu/fE

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9738

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://clk1007.com/adServe/adClick?ai=rzP1JV4jgJV/rDKrl/9Swsd416ALnTKZLQPKLf5v2FXKeNCeW6WwEuWQ8tZIKBpvR3cD71MdG4gt e3jipE CYK/u5RGuC89Nf6blEZlGJBTPtMEAS7J5yzLw6fNJCBprW9m1B/fGRInJxOjJMYUV1Tpi toRo3IjeE7dAUM9JIbhWKr/SOQBntTPOoeAPE5WDpr5v5pnIpRPb93zmfm 5cRRH/ljSmX0oDnMK zeWDZcOxMYGuazyh8lsSxjesq14/.../Y1Hiy1cMAlvYf LLa8dA==&ui=BZCZL3E4DrIJdRI5k bwtoBVNmK1S2tVmTIMbcPs0irp3vxiwoF0NyJ7jcGYgLgH&src=BANNER&bt=banner_728x90_86

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