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blubster.exe

Des

PlatformPrompt (Alpha Criteria Ltd.)

The application blubster.exe, “Des Setup ” by PlatformPrompt (Alpha Criteria) 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 installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.giftchuckleflash.com.
Publisher:
Dogosifuso   (signed by PlatformPrompt (Alpha Criteria Ltd.))

Product:
Des

Description:
Des Setup

Version:
2.6.5.0

MD5:
5f73c37004e118fb0545429b8db88403

SHA-1:
be14b7f0f7881850b161e41d2be7850d09321c31

SHA-256:
0da2c20a46bb854cdb05102c1c5cbe15db28dd9fe557c4deeff101d92323bed7

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
1/12/2025 5:12:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.8.11.0

File size:
952 KB (974,848 bytes)

Product version:
3.4.8

Copyright:
Stub Web

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\blubster.exe

Digital Signature
Signed by:
PlatformPrompt (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 6:17:26 AM

Valid to:
9/2/2016 6:02:46 AM

Subject:
CN=PlatformPrompt (Alpha Criteria Ltd.), O=PlatformPrompt (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

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

Serial number:
112111817CD313A533F2A76178D4452F81A6

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Q7vDPwUFhDqNzcU16jVXw4VXNLnMXugux2TrhbIC:QjzwUFJqpKpVxnMXvq2TdbIC

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9091

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://www.giftchuckleflash.com/Z4IWQX2c_fNIlBKHaHCaxgt1_MSJMadwimm_926dEbEb3_7wakqdjT6qz6TpBwfqMyUPGYZ3UQ7K6 Y_7pusGW nXRwbjHIhZ3u5CUxG0mKAi3hSspUBwIbf7PU1bYPhaQnkWwZY MUDVAZ91bNwOlTZfP8oqKCsIL2wE9onwA8u93_a7GibErAPvVchxSmw 2sOdWENwX7CPT9HtEAKJixz3oIFZdRfgsAf1ZiqX Vab3MRWlbkWf6Hvj5TZXAtHdGwo5dOln_F_BfxH6UF1iCFymhyoqQXUiTzHgxfi4cD3BufBPyHW1UYjXiiu_dOYUn5BJFioYTOHjRssi8zRzMrasVZrm0ZysHcjJuZ ADkd vhUpvOU88_cBgxjFEJ8noqzK2p5g oMAHLUZl85BJEhhD J99NXY3wHi0wzY0u42RlIzvDbF2jYK687XMiT2Q1HHsiPVuoEdTLCPQmA_gTKX NObsxtnmak9K6Ti40tTno3RuClfBdjwHRjI j742rw9VZ-G08AAGRwXmuL0MH0ZyECaEJEmUUlmW2f_X3vS8AXDuu61XPRFIeonJ_yupsTNn9jX7fZF6_rB9RJh0cpcaAo3jeOH2hMwmWsKBIRMg==

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