lenka_-_blue_skies.exe

Internet Soft web

AVSoftware

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application lenka_-_blue_skies.exe, “Internet Soft web Setup ” by AVSoftware 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 cdn.nextadbulkranch.com.
Publisher:
Installer   (signed by AVSoftware)

Product:
Internet Soft web

Description:
Internet Soft web Setup

MD5:
f93272180620811f08a914e5f038f120

SHA-1:
58ea563d87a334a4e1dea441781c6a7ec7180b37

SHA-256:
6fd7c33244124e1945940383e5f273669025f9bdfe00acda59b7ba2f4a207dcc

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:
12/27/2024 7:22:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.24.7

File size:
666.6 KB (682,560 bytes)

Product version:
4.5

Copyright:
Software

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\lenka_-_blue_skies.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
3/19/2015 9:56:38 PM

Valid to:
3/19/2016 9:56:38 PM

Subject:
CN=AVSoftware, O=AVSoftware, L=Sofia, C=BG

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

Serial number:
112124448F1FA45FB449861B311C88593985

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:AKopgr5S5jg/jY2aoEpDs2HR501mbDzyku7ulkZtSrqHTzJfImYnnl4w:AKo+M5iUZsYR50EbDzysifJgmnw

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:
7.8937

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

Code size:
37 KB (37,888 bytes)

The file lenka_-_blue_skies.exe has been seen being distributed by the following URL.

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