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nsm886c.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 nsm886c.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:
b709fae3c37d8b45f4efdbb9264184d1

SHA-1:
aaa432478b7a4d8e8f03f7fb99895eb5183b3545

SHA-256:
17be4d7c2cc07587b5f85be1381962ada2c716458fe5af3618166264538e2554

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:
11/23/2024 2:43:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.3.3.10

File size:
3.6 MB (3,797,240 bytes)

Bundler/Installer:
OutBrowse Revenyou

Common path:
C:\users\{user}\appdata\local\temp\nsm886c.tmp

Digital Signature
Signed by:
MAXTEK LLC

Authority:
thawte, Inc.

Valid from:
12/29/2014 10:00:00 AM

Valid to:
12/30/2015 9:59:59 AM

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:
6/20/1992 8:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x238020

Entry point:
55, 8B, EC, 83, C4, EC, 53, 56, 57, 33, C0, 89, 45, EC, B8, 88, 77, 63, 00, E8, 48, FA, DC, FF, 33, C0, 55, 68, 17, 82, 63, 00, 64, FF, 30, 64, 89, 20, E8, ED, FD, DC, FF, 85, C0, 74, 07, E8, 9C, 04, DD, FF, 8B, F8, BE, 01, 00, 00, 00, BB, 01, 00, 00, 00, E8, FB, FE, DC, FF, 43, 83, FB, 5B, 75, F5, 46, 81, FE, 25, 09, 00, 00, 75, E7, A1, E4, 59, 65, 00, E8, EA, D9, DC, FF, 50, E8, 88, 7D, E6, FF, 5A, 3B, D0, 7E, 13, E8, 96, D4, E1, FF, 33, D2, 89, 05, DC, 59, 65, 00, 89, 15, E0, 59, 65, 00, E8, 6B, 7D, E6...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
2.2 MB (2,323,456 bytes)

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