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on-screen-keyboard-portable.exe

Rinudep

PlatformPrompt (Alpha Criteria Ltd.)

The application on-screen-keyboard-portable.exe, “Rinudep 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:
Dumirahade   (signed by PlatformPrompt (Alpha Criteria Ltd.))

Product:
Rinudep

Description:
Rinudep Setup

MD5:
91896d1b7e8b405b6afc0e00078c1c27

SHA-1:
4c05ddbab4d2a15b80df89d82573645f4ce0ac13

SHA-256:
8a9f21cf7e6f1150b7d29278022cdc018587b5edac490dce709615bff97b1b47

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 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:
12/25/2024 1:31:01 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.8.10.22

File size:
946.3 KB (968,984 bytes)

Product version:
1.7.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\on-screen-keyboard-portable.exe

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

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 4:17:26 AM

Valid to:
9/2/2016 4:02:46 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:siZ7v6LcESspGveo55M7sU8VdlvcAb+H:x9v6wNs450sUgeA

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:
7.9345

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

Code size:
39.5 KB (40,448 bytes)

The file on-screen-keyboard-portable.exe has been seen being distributed by the following URL.

http://www.giftchuckleflash.com/QsS7rwGvJ7HVMcXjiQfDW2An9O8OYWHazbjdw9wiDovUIq3aG7itMMLsEiwu0Iu1ksUtIj7ijKGa7kV s2n79DJbj_VHqQ6LnvCIQel4Yuj2GKBUsjUAQ6haNd3l7 t owHcfB5XO5_yuSwurHrMt YnPoxCeCcschmnZN4w1C4aYSTTf4uUhJkxJis0Qj5GZ3c9N 2H0a1nrSxoSbDHWCt3JwPmMw==-G2IAAGRgu_d6kCc0AcIGHLiECz3gA9LgISvxN0Hm7rq2SRDfUL8sazU1miiA1wXkAo71bxD4c3Auphqqv1o L9HPCi 5ZjuqzPTVF6LYMTN_gVpECYplMJxhCA==

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