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flashplayer_updater.exe

Melebumak

File validated

This is the InstallMetrix bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application flashplayer_updater.exe, “Melebumak Setup ” by File validated 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 InstallMetrix Software installer. With this installer, users are expecting to download the free Adobe Flash Player but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Tutopofaf   (signed by File validated)

Product:
Melebumak

Description:
Melebumak Setup

Version:
4.1.1.5

MD5:
72ebd7b6d79f9181a596afd94f107b54

SHA-1:
826a51651158e24e66f063f29aab5094198a113f

SHA-256:
76b981605012e5e61ad2285f871a221e6b12f9a47612548db7edfa0c483ef51f

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:
1/16/2025 7:59:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallMetrix.Filevali.Installer (M)
16.3.10.21

File size:
990.5 KB (1,014,248 bytes)

Product version:
4.8

Copyright:
Lite installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallMetrix Software (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
File validated

Authority:
GlobalSign nv-sa

Valid from:
2/11/2016 12:57:33 AM

Valid to:
2/11/2017 12:57:33 AM

Subject:
CN=File validated, O=File validated, L=San Francisco, S=CA, C=US

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

Serial number:
11210B0B336C146B1DEA833B7DA98E456EB9

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:nDMmkW8VsRcTpWEm/w33rMsnMqcT4VO6Pd8dkasisd7:nIVBVsclewrDnfVOo8dk6sd

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9070

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

Code size:
39.5 KB (40,448 bytes)

The file flashplayer_updater.exe has been seen being distributed by the following 4 URLs.

http://www.universebestfactory.com/c?x=ubasFzZvkVJd7sVzC9qN6fdPqWlYUwtSiuNzfE73zzg=&c=kQxToGy08FLphcdriRF7A1ei6AxltTHNvK h rrBzoXi3TiTVNE5q wJERCngRFtHVD9Q1R1UoRidYlrSFxtwleLT8Ghampl5Sv8w5GK9WTXVGzOCD9zt8mD8g328Dq1&downloadAs=FlashPlayer_Updater.exe&fallback_url=http://tundra.site/pages/.../IM_IN.html

http://www.universebestfactory.com/c?x=GAzeAw3miL1p6f5RXvrpye0gBKLo6H1t7tXs7iEI3iw=&c=5kWUF6xXH3FyCuKdU5/l/SyyEVp74L67zF507w383MYgm JkXpRHAAdAkFLEUqGMC5GQnNm1iUYnmwV581Heg19TAQeZEyCJbqL F3FKHC0C/E1ajAGhE2t1i1GHTSQ9&downloadAs=FlashPlayer_Updater.exe&fallback_url=http://tundra.site/pages/.../IM_IN.html

http://www.universebestfactory.com/c?x=YdaOr9Fi5xVXnuUPqxveVkYJlwcD VvAl ZI0QpI5k0=&c=3qQkhZELWEacBw1XLG8DpwlC0Jh9MPSyzBX0alPjZPmp5UFyJDbOqYA7wkH47N8eS19Hg9PJeEhGz5OI/A7MwTZ/pk05MSC00v /Vyu4pTYignBSqqchZC 9s8SdGRno&downloadAs=FlashPlayer_Updater.exe&fallback_url=http://tundra.site/pages/.../IM_IN.html

http://www.universebestfactory.com/c?x=5RJ QlUVfsCLos5j/0kLJeQJbfsKqF5eAxzdJsvMvhs=&c=wo/XBCrMw7L0fIdGfQgXfKUb3WIVxWUkl9SdtZVmWrycN4BnDqdyASathFb4oulRRBRdg7hjT0dTwtiHk/GQDlv3nbb 2moYwhIpQSpyVk0sddyK8P4yIA8j2qGEujyo&downloadAs=FlashPlayer_Updater.exe&fallback_url=http://tundra.site/pages/.../IM_IN.html

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