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flashplayer_updater.exe

The application flashplayer_updater.exe has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. 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.presentnowstock.com.
MD5:
583e71f3bd9231522d57554dd8ccc0f0

SHA-1:
2b0118d5f47f5e397c53d7135cd5857afb264257

SHA-256:
94c919a5f530cff43f2eb81b4da2b539ce60dc8264825548ecd245d0b3c64fa8

Scanner detections:
2 / 68

Status:
Potentially unwanted

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

Analysis date:
1/15/2025 8:17:08 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/InstallCore.ACY.gen potentially unwanted application
8.0.319.0

Reason Heuristics
PUP.InstallCore.EST (M)
16.3.27.3

File size:
42.8 KB (43,800 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
768:Bh3qitxsLKP7GpnQ0ZSo0y3LBcOrnyeN3H8IJI8gGcoO2Q:X3qRLK2Q0MoJbBcKs8gyQ

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, BF, A9, FF, FF, E8, 5E, 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:
6.4263

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

Code size:
37 KB (37,888 bytes)

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

http://www.presentnowstock.com/c?x=IPPQxw7fn67gUeJKr BPCZsarFXJB/u0pNoPzyxXoqY=&c=2Z 9DHyotSQtjlp74KKjjG6SPIZBOlqWn49/7i gqS7FxoKiApRbNiwzDV6xoBypLHioRSiNdbjGmXEKAjIGsiUnZndYIyacw3hshmYSXEifrN5zstJl8t14zehUrrgR&downloadAs=FlashPlayer_Updater.exe&fallback_url=http://tundra.site/pages/.../IM_IN.html

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