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e1f673f9ed734dde452b681a242bb20d.exe

safe Store Btw

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application e1f673f9ed734dde452b681a242bb20d.exe by safe Store Btw 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 the user's temporary directory.
Publisher:
CJKOW  (signed by safe Store Btw)

Product:
CJKOW

Version:
6542.15610.1349.239

MD5:
2a95409bdea4a2ec5b462e49a0247a6a

SHA-1:
3a1b6fdabcf077f71c789633460ccf88fa723552

SHA-256:
7a5987d7cd2e316d488dcde8213cfb6dc267af1bd858fbcc3a2da97c2f7f0083

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:
11/27/2024 1:52:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.10.19.5

File size:
776.9 KB (795,538 bytes)

Product version:
6542.15610.1349.239

Copyright:
CJKOW

Trademarks:
CJKOW

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\e1f673f9ed734dde452b681a242bb20d.exe

Digital Signature
Signed by:
safe Store Btw

Authority:
thawte, Inc.

Valid from:
6/4/2015 3:00:00 AM

Valid to:
1/28/2016 2:59:59 AM

Subject:
CN=safe Store Btw, O=safe Store Btw, L=Dublin, S=Dublin, C=IE

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

Serial number:
04583BDFC99384B6B9B23D9BE1FE64A0

File PE Metadata
Compilation timestamp:
12/6/2009 1:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:oJiPyA0qmoMBrEZUUDD7CUXdxiVq7tP6BXHc0qw9HNAPUHd2kSYQpny/ITfc8vyA:oTSOUDFb3PkXc0UWdjSYuyp86

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8917

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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