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picasa_en.exe

Max Setup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application picasa_en.exe by Max Setup has been detected as adware by 12 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 api.downloadastro.com.
Publisher:
Max Setup  (signed and verified)

MD5:
e294fd46301a6c3a25b87b656f6dfc1e

SHA-1:
62b0b497367545b882bcbe605f056cccd8b6b266

SHA-256:
3c9ffc64d39e44b33497ebc7b334133aca574f4ef739e1376131a3c5ffa87a7c

Scanner detections:
12 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/16/2024 8:04:04 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.aett
7.11.147.88

AVG
MalSign.InstallCore
2015.0.3303

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14112

Dr.Web
Trojan.Packed.25266
9.0.1.0306

ESET NOD32
Win32/InstallCore.MJ (variant)
8.9756

G Data
Win32.Application.InstallCore
14.11.24

K7 AntiVirus
Unwanted-Program
13.177.11965

Malwarebytes
PUP.Optional.InstallCore
v2014.11.02.11

Reason Heuristics
PUP.MaxSetup.J
14.11.2.11

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Adware.Win32.InstallCore.ba
28880

File size:
631.9 KB (647,112 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Max Setup

Authority:
COMODO CA Limited

Valid from:
3/11/2014 1:00:00 AM

Valid to:
3/12/2015 12:59:59 AM

Subject:
CN=Max Setup, O=Max Setup, STREET=Lillienblam 28, L=Tel Aviv, S=Tel Aviv, PostalCode=651307, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
008F6F1294DBB38F9F80A7A06DE489DF45

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:CjRpsgRE3PZnKJfHI4dW+4Eh7ZcWEqmq95vSrHWP9ONfOj:CjRqgeUJdAq0qmq95vS7WVUE

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 picasa_en.exe has been seen being distributed by the following URL.

http://api.downloadastro.com/api/downloader/.../en?callback=jsonpCallbackDownload&_=1398200342

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