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nsbdaf4.tmp

Yes Apps

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file nsbdaf4.tmp by Yes Apps 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. The file has been seen being downloaded from get.0143i.info.
Publisher:
QYOEY  (signed by Yes Apps)

Product:
QYOEY

Version:
5.151114.739.5866

MD5:
3ea33b062ee7b3131272565f3c8b5993

SHA-1:
8fa9af150d2eea587f3ae744943c514cc1ed06b4

SHA-256:
5fcb49d93a40c2dbe02e8daa02af97f09535d90fcd3b95866a562174cc7a5869

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:
2/25/2025 1:38:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.YesApps.Bundler (M)
16.2.16.22

File size:
344.3 KB (352,584 bytes)

Product version:
5.151114.739.5866

Copyright:
QYOEY

Trademarks:
QYOEY

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsbdaf4.tmp

Digital Signature
Signed by:
Yes Apps

Authority:
GlobalSign nv-sa

Valid from:
1/4/2015 1:07:58 PM

Valid to:
11/20/2015 1:31:49 PM

Subject:
CN=Yes Apps, O=Yes Apps, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112142ED1247F6EEDCC3B9B4A1C7F026A070

File PE Metadata
Compilation timestamp:
12/6/2009 2:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:4FJ0FjML1RkexOq8Fp0gTanMiUMVgWuc9c4vUyfZWx5d:xgL1RnxOq8D0+4zuc9cDt

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:
7.6865

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nsbdaf4.tmp has been seen being distributed by the following URL.

http://get.0143i.info/14474900040/14474900041/14474900044/14474900049/144749000416/144749000425/c6nlucg2v/144749000449/ecz3lj/144749000481/1447490004100/.../?07987957316Z15rMThnOCozMy00H1s1LCcuLDUlZj0rMC0vLCFnOjAgcGtm=XG5ab2debF&89PWZvZ2NqWmFMW25aXl1rHWBxYnRsbDZfbG1nICxeJCxmHileXWZyZ2l=uW2Qmal1rbW&BrcC1db2YcKl9KdGxGbWBvHileT0ZObXJhKGVxXB5dcGlaamhdblpkXTZMa11ec19zH11h=ZV&xpWmpkN0xTOEJyOklGYiVjY2hlNSwnIWlvazcxH1pnZzQsH3FyNzEt=Ky8tMCspLTMgZ200X15rNA

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