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update.exe

SKUNK DOG MEDIA

The application update.exe by SKUNK DOG MEDIA 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 Tomorrow Software Installer installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files4.fastdownload6.com.
Publisher:
Freeware Easy System Installer  (signed by SKUNK DOG MEDIA)

Product:
Freeware Easy System Installer

Version:
21.9.3.5509

MD5:
7493aa92d7668e02db75ec66e9d93f18

SHA-1:
534d0a145ede2b35a653dd79e50a7639bd2bf545

SHA-256:
93b9cc22d956cfbe39c1db615fb05c50d197e076d4c448f49c70173a0cacc6f8

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:
4/25/2024 7:12:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TomorrowSoftware.SKUNKDOGMEDIA.Bundler (M)
16.2.26.20

File size:
874.1 KB (895,096 bytes)

Product version:
21.9.3.5509

Copyright:
Copyright (C) 2015

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tomorrow Software Installer

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\update.exe

Digital Signature
Signed by:
SKUNK DOG MEDIA

Authority:
VeriSign, Inc.

Valid from:
5/22/2015 7:00:00 AM

Valid to:
5/22/2016 6:59:59 AM

Subject:
CN=SKUNK DOG MEDIA, O=SKUNK DOG MEDIA, L=SAN FRANCISCO, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
77AD9C75661D14F8BEF720820AC86007

File PE Metadata
Compilation timestamp:
8/3/2014 1:08:23 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:C+MLKmtvPyHu7D8v3iKvy9pNg4W7HM8UcN+2QHCL:ziKmHyO3o3Lbp7s8xQ

Entry address:
0xC822

Entry point:
E8, 3C, 05, 00, 00, E9, 57, FD, FF, FF, CC, CC, CC, CC, 51, 8D, 4C, 24, 04, 2B, C8, 1B, C0, F7, D0, 23, C8, 8B, C4, 25, 00, F0, FF, FF, 3B, C8, 72, 0A, 8B, C1, 59, 94, 8B, 00, 89, 04, 24, C3, 2D, 00, 10, 00, 00, 85, 00, EB, E9, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, A8, 4B, 41, 00, 89, 0D, A4, 4B, 41, 00, 89, 15, A0, 4B, 41, 00, 89, 1D, 9C, 4B, 41, 00, 89, 35, 98, 4B, 41, 00, 89, 3D, 94, 4B, 41, 00, 66, 8C, 15, C0, 4B, 41, 00, 66, 8C, 0D, B4, 4B, 41, 00, 66, 8C, 1D, 90, 4B, 41, 00, 66, 8C, 05, 8C...
 
[+]

Entropy:
7.9571  (probably packed)

Code size:
51.5 KB (52,736 bytes)

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

http://files4.fastdownload6.com/download/.../dl?bc=1126566&pid=updateadmin&brand=updateadmin.com&aid=071815&s=kmp&c=Internet_Explorer&country=TH&cb=487911450&filename=Update.exe&productKey=54lskohdbuvc6i4f2etfxojpsh5zjzs5&osName=Windows&osVersion=7&browserName=IE&browserVersion=7&zTmp=1&executable=1186365

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