CoolCalendarSetup.exe

ADLSoft

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application CoolCalendarSetup.exe by ADLSoft has been detected as adware by 10 anti-malware scanners. 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.coolcalendarapp.com.
Publisher:
ADLSoft  (signed and verified)

MD5:
dabe099cf053462fd9ccb014657e780f

SHA-1:
b71ea6e9e6640a3bcbc69cf88cf382a31d3f0e86

SHA-256:
534d7b20ab8ca41091c98506050022477cc90ef8a7fc38b02f74e7b5874050dc

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Uses the InstallCore download and install manager which may bundle various potentially unwanted software offers during setup.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/23/2024 2:47:05 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

AVG
MalSign.InstallC
2015.0.3506

Dr.Web
Trojan.Packed.24524
9.0.1.0102

ESET NOD32
Win32/InstallCore.JP (variant)
8.9670

G Data
Win32.Application.InstallCore
14.8.24

Malwarebytes
PUP.Optional.AdlSoft
v2014.04.12.11

Reason Heuristics
PUP.Installer.ADLSoft.R
14.8.8.3

Vba32 AntiVirus
3.12.26.0

VIPRE Antivirus
InstallCore.b
28208

File size:
789.6 KB (808,544 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
6/20/2012 8:00:00 PM

Valid to:
7/25/2014 7:59:59 PM

Subject:
CN=ADLSoft, O=ADLSoft, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
1C7950C7BFF384C5ABB93DD694E588E8

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):
12288:knvpA8fZXE0hBqQYxOr97ZC50RAe6AtqmFEMQ4ZXbww04UcF3zx+H5MS5nWPc6Wo:knv5XZqQP97HRAe6rmmMZHJIZTWk6Wb

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:
7.8843

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

Code size:
37 KB (37,888 bytes)

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

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