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installation.exe

Click To Start

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 Click To Start 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from get.down2208group.info.
Publisher:
Click To Start  (signed and verified)

MD5:
dd6c414a55ea9520e32a80e1d5130768

SHA-1:
a70de489c805dbebec4ca34116c4bbac26d1c70f

SHA-256:
43a1d87aae3d6f42335559ccb16d4df1f1efb55265ec299305a633cfc43e86c0

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/30/2024 8:35:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.ClickToStart.Bundler (M)
16.2.17.7

File size:
566.1 KB (579,648 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\installation.exe

Digital Signature
Signed by:
Click To Start

Authority:
GlobalSign nv-sa

Valid from:
12/5/2014 7:30:02 AM

Valid to:
12/6/2015 7:30:02 AM

Subject:
CN=Click To Start, O=Click To Start, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121A4ADB181C788DD5B27571502842584B8

File PE Metadata
Compilation timestamp:
12/5/2009 8:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:jbXN1Zt/W3Vbkd/eBK14fWQECTq7UjNi9vWCDDteat/ONnAahOTW//P:jbxlaFnK1bQfq7UjN0ewDnta/8In

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...
 
[+]

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://get.down2208group.info/.../get12?p=16434&d=22135&l=21329&n=1

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