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1stc5ht2.534

1432020809

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 file 1stc5ht2.534 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. It is also typically executed from the user's temporary directory.
Publisher:
OToPia SOFt  (signed and verified)

Product:
1432020809

Version:
1.15519.83.0

MD5:
357eec9703fac1f05d354d091934c8bb

SHA-1:
fa65ef53acbf904be48a3a7ec6c0875f7375d021

SHA-256:
02ad3aac950ac7ae8b864fdaf6ccd2694963f2659c8372dd9e8363bd3573a60b

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:
5/21/2024 6:49:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.17.4

File size:
677.4 KB (693,624 bytes)

Product version:
1.15519.83.0

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

Common path:
C:\users\{user}\appdata\local\temp\1stc5ht2.534

Digital Signature
Signed by:
OToPia SOFt

Authority:
thawte, Inc.

Valid from:
5/10/2015 9:00:00 PM

Valid to:
12/17/2015 8:59:59 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:
7B99F48E948979B6619D2EA5A5E8591D

File PE Metadata
Compilation timestamp:
12/5/2009 7:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ZWYWY2Yoxpw5YyNzsaXfXDPUl+KGsc/hdfda/hQd0srpCBc8gkm6/2VQCxX0U0:ZH6JWzRPXDPC+KNcZdfda/I02CBc8gkv

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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