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cleanfilesdownloader.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 cleanfilesdownloader.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 get.0109online.info and multiple other hosts.
Publisher:
OTOPIA soft  (signed and verified)

MD5:
e32e0bbbad33aed7dc74aef8c69593e7

SHA-1:
dc474f7ef774854d98d0a79f1fab7acf34e2ae22

SHA-256:
4118cf4d89de5b35522230cde8db25b2aaa5b4f2033e209931b8c3a40e3bbf56

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:
5/3/2024 11:50:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse
15.1.28.21

File size:
573.7 KB (587,512 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OTOPIA soft

Authority:
thawte, Inc.

Valid from:
1/19/2015 4:00:00 PM

Valid to:
12/17/2015 3:59:59 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:
147E36526551746AA73B8CB9252C7C3A

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:e4KwdBGCv+epXfNISAwp5SOUCesxFJF8jAQ3Hk:ehwdB3WAXfKSvDPegFJFEAQ0

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 cleanfilesdownloader.exe has been seen being distributed by the following 3 URLs.

http://get.0109online.info/1421809446/get19?p=8751&d=25359&l=24558&n=1&productname=Setup&exeurl=http://.../ApplicationVR.exe&dynamicname=Cleanfiles Downloader&filename=CleanfilesDownloader

http://get.file25desktop.com/DownloadManager/Get?p=8751&d=25359&l=24558&n=1&productname=Setup&exeurl=http://.../ApplicationVR.exe&dynamicname=Cleanfiles Downloader&filename=CleanfilesDownloader

http://bit.ly/1IQOpqx

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