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flashplayerupdate-setupyti405cm.exe

Spiral Media

The application flashplayerupdate-setupyti405cm.exe by Spiral 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. The installer is marketed through download protals and search ads as the free Adobe Flash Player but will also install additional software offers which include adware, PUPs and browser toolbars. The file has been seen being downloaded from files4.downloadnet1004.com and multiple other hosts.
Publisher:
Spiral Media  (signed and verified)

Product:
Spiral Media

Version:
78.6.1.397

MD5:
9a7e1136c063493eb4edbf45ba18b3c5

SHA-1:
997b89abd71178ccf6bd523cf8b2530cd40d520f

SHA-256:
46e4f32bfde9579f3e42131072affdc5d0e161718c3d4073e8c946e8bad842b4

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:
11/15/2024 5:05:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TomorrowSoftware.SpiralMe.Bundler (M)
16.4.27.7

File size:
871.1 KB (892,032 bytes)

Product version:
78.6.1.397

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\inetcache\ie\{random}\flashplayerupdate-setupyti405cm.exe

Digital Signature
Signed by:
Spiral Media

Authority:
GoDaddy.com, Inc.

Valid from:
11/20/2015 5:46:38 PM

Valid to:
10/13/2016 7:17:39 PM

Subject:
CN=Spiral Media, O=Spiral Media, L=San Francisco, S=California, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
028EC22ABAD314A6

File PE Metadata
Compilation timestamp:
12/20/2014 5:09:33 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:Crt1YpDDa7GtreqfiTZIyR6no1P3V6mf2:QGU0rBfgIu6nopVA

Entry address:
0x464A

Entry point:
E8, 41, 96, 00, 00, E9, 44, 8F, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 81, EC, 18, 02, 00, 00, 53, 8B, 9C, 24, 20, 02, 00, 00, 55, 56, 57, 8D, 44, 24, 10, 50, 33, FF, 57, 6A, 01, 53, 89, 7C, 24, 20, E8, 7B, 09, 00, 00, 8B, 4C, 24, 20, 8B, F0, 83, C4, 10, 8D, 2C, 0E, 85, F6, 75, 1D, 53, E8, 55, 07, 00, 00, 53, E8, 4F, 07, 00, 00, 83, C4, 08, 8D, 47, 02, 5F, 5E, 5D, 5B, 81, C4, 18, 02, 00, 00, C3, 6A, 02, 53, E8, 26, 06, 00, 00, 8D, 54, 24, 24, 52, 53, E8, DB, 08, 00, 00, 83, C4, 10, 3B, F5...
 
[+]

Entropy:
7.9685  (probably packed)

Code size:
53.5 KB (54,784 bytes)

The file flashplayerupdate-setupyti405cm.exe has been seen being distributed by the following 2 URLs.

http://files4.downloadnet1004.com/dl-pure/.../?bc=1185127&checksum=1664461&filename=flashplayerupdate-setup.exe&cb=572197332&executable=1198105

http://files4.downloadnet1004.com/dl-pure/.../?bc=1185127&checksum=1664461&filename=flashplayerupdate-setup.exe&cb=-1789486029&executable=1198105

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