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setup.exe

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 application setup.exe 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. The file has been seen being downloaded from get.down4desk.com.
Publisher:
SDZOP  (signed by yEs appS)

Product:
SDZOP

Version:
4748.15526.852.7948

MD5:
bea66ac54ae07ffe7f3499664d35e2a7

SHA-1:
8f954c4cb0b08f38b14e23e56d6f5ead46e1ec74

SHA-256:
83894e85126575df463008314148aa428f749c65905a56f66d32235cc3cbf3c2

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/25/2024 5:33:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.yEsappS.Bundler (M)
16.6.30.9

File size:
635.4 KB (650,680 bytes)

Product version:
4748.15526.852.7948

Copyright:
SDZOP

Trademarks:
SDZOP

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\setup.exe

Digital Signature
Signed by:
yEs appS

Authority:
thawte, Inc.

Valid from:
5/11/2015 3:00:00 AM

Valid to:
12/18/2015 1:59:59 AM

Subject:
CN=yEs appS, O=yEs appS, L=Dublin, S=Dublin, C=IE

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

Serial number:
22B6FC8A650FE1FF00806D8A48170F06

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:t/6iIxF6ZjWEl6Sy+yH9iA4ovvQIQFv8/FEFPzA6io/1Qlufc8vy4h:t/NeZRx+yH9iR6FQF7BalL86

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:
7.9710

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://get.down4desk.com/1432638414/1432638414/.../aTcyMi8yI2M3LjUrMDIlaz0vOCs0Jmc3KyVjMTowKy84MCBea2hjaGheOjMqLC42MDMtODIjaVxpaTwwJndoajow

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