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installer_microsoft_office_2013_professional_plus_15_0_4454_10_spanish.exe

Zoobam

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application installer_microsoft_office_2013_professional_plus_15_0_4454_10_spanish.exe by Zoobam 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 Tightrope WebInstall installer. The file has been seen being downloaded from dk.900113dwn.com.
Publisher:
Zoobam  (signed and verified)

MD5:
62c1f42033acb2537bee9a602a10ec39

SHA-1:
a68cfc87fef71d7213b60dd7ab0f3a809617f5a4

SHA-256:
de8ea5fbb2eaf05b29bc1cea1eaa4043b803056cc5eb7fbf60eb33566fff7416

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 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:
11/25/2024 2:59:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Zoobam.Bundler (M)
16.5.18.20

File size:
825.2 KB (845,024 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\pastor\installer_microsoft_office_2013_professional_plus_15_0_4454_10_spanish.exe

Digital Signature
Signed by:
Zoobam

Authority:
GoDaddy.com, Inc.

Valid from:
10/15/2014 9:27:59 PM

Valid to:
10/15/2017 9:27:59 PM

Subject:
CN=Zoobam, O=Zoobam, L=Kirkland, S=Washington, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4EA9D31E75E043

File PE Metadata
Compilation timestamp:
7/15/2014 11:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:RxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SK:jp9sVuaVdvgVbmgGDijyikg5K

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file installer_microsoft_office_2013_professional_plus_15_0_4454_10_spanish.exe has been seen being distributed by the following URL.

http://dk.900113dwn.com/installers/axtan_installers/get.php?ik=tig&ua=chrome&ut=4e40d59f20a073e0c68f501088e0ea76&loop=1&r=3343789&redir=1&u=L2Rvd25sb2FkLm1wMy5lcy9pbnN0YWxsZXJzL291dC8wMDMxMjAwMzEzMDAzMTQvcGlpZC01NTAzMjY5OTA0M2I2NC4wNTUzMjc2MC9heC8xL21wMy9zcGFuaXNoL3Nlby9jaHJvbWUvbWljcm9zb2Z0X29mZmljZV8yMDEzX3Byb2Zlc3Npb25hbF9wbHVzXzE1XzBfNDQ1NF8xMC9kLzc4MjE5ODAyN2ZjNTA5NGM0NzlkM2VmOWE0M2IyMmI1L3RpZy82NzA5NzgvbmEvMS9pbnN0YWxsZXJfbWljcm9zb2Z0X29mZmljZV8yMDEzX3Byb2Zlc3Npb25hbF9wbHVzXzE1XzBfNDQ1NF8xMF9TcGFuaXNoLmV4ZQ==&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9heC8xL21wMy9zcGFuaXNoL3Nlby9jaHJvbWUvbWljcm9zb2Z0X29mZmljZV8yMDEzX3Byb2Zlc3Npb25hbF9wbHVzXzE1XzBfNDQ1NF8xMC9kLzc4MjE5ODAyN2ZjNTA5NGM0NzlkM2VmOWE0M2IyMmI1L3RpZy82NzA5NzgvbmEvMS9pbnN0YWxsZXJfbWljcm9zb2Z0X29mZmljZV8yMDEzX3Byb2Zlc3Npb25hbF9wbHVzXzE1XzBfNDQ1NF8xMF9TcGFuaXNoLmV4ZQ==&p=TVAz&aa=ax/1/mp3//&CD=53&IM=34&JN=31&GM=4&II=0&AB=94&AG=64&BH=29&LJ=34&IJ=2&s=

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