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installation.exe

MAXTEK LLC

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 MAXTEK 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 clk1013.com.
Publisher:
MAXTEK LLC  (signed and verified)

MD5:
983590c7c8c1106837af218e7dc2b6f4

SHA-1:
b55011e04df73e44a3b743e1278264157e965711

SHA-256:
bc66bff81b466585b511b61b91bb3196392c7cf6a52fd728d893debfff1e081a

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 7:49:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.MAXTEK.Bundler (M)
16.6.17.3

File size:
576.6 KB (590,400 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
MAXTEK LLC

Authority:
thawte, Inc.

Valid from:
12/21/2014 11:00:00 PM

Valid to:
12/22/2015 10:59:59 PM

Subject:
CN=MAXTEK LLC, O=MAXTEK LLC, L=Kiev, S=Kiev, C=UA

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

Serial number:
058B5B9DB91E1063D1BF9AB3385D4B88

File PE Metadata
Compilation timestamp:
12/5/2009 9:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:lxY7VDLxnmv3mBQy6CK0CHoHqdqnKPO/7tQjvPtS3Y+byWyk:lxqax6K0CHhty7tevPtSo+byWH

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://clk1013.com/adServe/adClick?ai=08zHTxdapFXMlGLctKvCRB4zaV 9MImzEQISPIze6SYqnxeHa4/L 9Ig67QrxrwSta85/E5ZjeBK Yq/1X309N40sQ4i8KXRqTX4eYdytOcfqtKQttst1PgQk8H qBnmOJMeicgpyWehTlMtKOoqCIPyB joOsl/.../ qX7lcofYx0GUzujD9jU eLLVw7dpCvKOBipHgsLylbkG19E=&ui=vIBJhPx2F Oq76VdhLbirw2PDc S0YhklA4kOHjhy4ZbgfW9FsxadXeQqwhgFdr6&src=BANNER

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