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nsr824b.tmp

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 file nsr824b.tmp 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. It is also typically executed from the user's temporary directory.
Publisher:
MAXTEK LLC  (signed and verified)

MD5:
e48fc0394c83581a5b58c083d1a68ee5

SHA-1:
3194669bdfe4cc3d607d9e348e8444c1cd52b9e4

SHA-256:
318db6aea17e5d9332afb8b43278eaa99b3c7b5e7edbc11e607fda0f856af8c4

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:
11/23/2024 3:01:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.3.15.2

File size:
4 MB (4,165,368 bytes)

Bundler/Installer:
OutBrowse Revenyou

Common path:
C:\users\{user}\appdata\local\temp\nsr824b.tmp

Digital Signature
Signed by:
MAXTEK LLC

Authority:
thawte, Inc.

Valid from:
12/28/2014 10:00:00 PM

Valid to:
12/29/2015 9:59:59 PM

Subject:
CN=MAXTEK LLC, O=MAXTEK LLC, L=Kharkiv, S=New Brunswick, C=UA

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

Serial number:
5E330605B7CB3B14509516AEA2289E49

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x234250

Entry point:
55, 8B, EC, 83, C4, EC, 53, 56, 57, 33, C0, 89, 45, EC, B8, B8, 39, 63, 00, E8, 18, 38, DD, FF, 33, C0, 55, 68, 00, 44, 63, 00, 64, FF, 30, 64, 89, 20, 33, C0, 55, 68, A8, 42, 63, 00, 64, FF, 30, 64, 89, 20, A1, 94, 19, 65, 00, E8, DA, 17, DD, FF, 8D, 55, EC, E8, C6, 62, DD, FF, 8B, 45, EC, E8, 0E, 65, DD, FF, 33, C0, 5A, 59, 59, 64, 89, 10, EB, 14, E9, 27, 03, DD, FF, E8, 3E, 42, DD, FF, E8, 11, 3C, DD, FF, E8, 44, 07, DD, FF, B8, 8C, 19, 65, 00, BA, 14, 44, 63, 00, E8, 69, 15, DD, FF, B8, 94, 19, 65, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
2.2 MB (2,308,608 bytes)

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