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calibre-E-bookmanagementSetup-23766725.exe

calibre - E-book management

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application calibre-E-bookmanagementSetup-23766725.exe by Download Assistant 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 AirInstaller Download Manager installer. The file has been seen being downloaded from analytics.filehostcdn.com.
Publisher:
Download Assistant  (signed and verified)

Product:
calibre - E-book management

Version:
3.0.0.88

MD5:
4ac5b4d12410913866ab6d3dfea11ed3

SHA-1:
6d5cefb23fbac4099e8104070bd3fcd590d0edb8

SHA-256:
99fcc88c7f65e8e69d4e519c7394c348ebc437e8aa7fa474af1974f76504c19b

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:
11/24/2024 5:50:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Bundler.Air Software
15.3.26.10

File size:
844.7 KB (864,960 bytes)

Product version:
3.0.0.88

Copyright:
(c) Download Assistant

Original file name:
calibre-E-bookmanagementSetup-23766725.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\calibre-e-bookmanagementsetup-23766725.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/15/2015 7:00:00 PM

Valid to:
2/16/2016 6:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
3/21/2015 5:42:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:MJ3pW2RT4mJ3k0JYP98wnhMpSNxcedCxABKXMdJG0DmVsg2HbOOMxdYFbrpxv64M:Mbz+n0Jq8wSSTcedt0MDHgibkYJ8r3b

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0610

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

The file calibre-E-bookmanagementSetup-23766725.exe has been seen being distributed by the following URL.

http://analytics.filehostcdn.com/v2/click/8t0lhg4x/?d=http://file.org/dl/redir/inst/fdd91fde01fde54651c4f2b37b0b577f-calibre-2.18.0.msi&key=5b7a46e57b01650a498db0e3a424d09422d52e5e78c52921fc01735f946c051e&sid=&uid=&affiliate_image=&product_image=http://file.org/.../empty.gif&n=calibre - E-book management&filename=calibre-E-bookmanagementSetup-23766725

Remove calibre-E-bookmanagementSetup-23766725.exe - Powered by Reason Core Security
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