windows_media_player.exe

Leso

Dov gil Management Ltd.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application windows_media_player.exe, “Leso Setup ” by Dov gil Management 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 file has been seen being downloaded from www.bytepresentbyte.com.
Publisher:
Dov gil Management Ltd.  (signed and verified)

Product:
Leso

Description:
Leso Setup

MD5:
a7c5b6d5c7f5beabc7c9539df69c7209

SHA-1:
5bb2975166cb2ab7c443cd4141e05be062e15fb1

SHA-256:
b81184e1b8c4d7e7d8672d055c72de1a51e6deac0dafe904fb20828bf3ca1103

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:
12/26/2024 3:18:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.7.1

File size:
1.1 MB (1,171,624 bytes)

Product version:
4.8.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\windows_media_player.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
2/24/2016 10:04:43 PM

Valid to:
2/24/2017 10:04:43 PM

Subject:
CN=Dov gil Management Ltd., O=Dov gil Management Ltd., L=Petah Tikva, C=IL

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

Serial number:
112103FCD147C9A5FDDE12426FF8308C8A2A

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

http://www.bytepresentbyte.com/rcVKtGEbZQwuWrvyqCb0hihZzLlOm5SaUPGsb8Ul9SitqEZDkngPIqtXhW5FQgqzxykInd96YL38SqeoYyJjvaHc5r igIgJxs0myb6uySyWnQMsdlcYMFacyZhnl3OJDc4V5UOctl_JIo5pSA9PUGyVE74X8cgCaRWYjTeMFpnRWxD13DdpP1tDxzLx__zgKhruTYq2vtI_D5PFEn6oROLnfGOY8HaiUvnWmrh12ioAzkk DxW6FM_bPPulkqKK3ZQJI5oRnfcvRX DvvloEdz1sI75eatvcvZvG28I D8nmQOFdtSd4Fk6z h_uCmZw5Ack1JlIUUWjp1bYZK8q6yg6WknOeECFsc_gxGMXSzLlPP7RMj9YkS4dfTRgIupKSG0FOVCBrTsj2aObrAgI1JSTz1PZGWLtuSw42iqSL8dLZMbcZZF1tWUKqlL271h25AG3eSGdPcq Kv9Ndeo46h1RZ3zZP33if_3 hTULg80MJat9q0bavfPU5_01gePLVcnKX4D0GzGl8JvRprOq4oSRZTFPA==-G5QAAMRv52_TGUkWyyXKMr8k6Qb_F45ODtjfHhWF94TzFAPLbWw4uwVqEN2I25h3A ogHyBr 8QKjGfyrdH7UvVUMuUgePErFL1LehfOr7sPlt0MQChdbCQxvZJv1t3Cyuo=-e

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