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installer_whatsapp_for_pc_2_11_506_french.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_whatsapp_for_pc_2_11_506_french.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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dv.butotiresa.com.
Publisher:
Zoobam  (signed and verified)

MD5:
340f907c06864c7619c39553c2eac437

SHA-1:
ff32b6a5aac27129fb87f785bd0d59768513da19

SHA-256:
f4f45db78d09a88690c37a25d87c1eb841810adb61e6abfbf91bbc7f4dd10917

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:
12/25/2024 1:10:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope (M)
16.7.15.5

File size:
658.1 KB (673,848 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\installer_whatsapp_for_pc_2_11_506_french.exe

Digital Signature
Signed by:
Zoobam

Authority:
GoDaddy.com, Inc.

Valid from:
10/16/2014 2:27:59 AM

Valid to:
10/16/2017 2:27:59 AM

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:
1/29/2015 6:35:11 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:d4BS2ly9NKPRdegPsgQr/745jezvROTVo80d1WU1ntTxJ10gJ1Tvzxo:dhhKeiHQr/s1uRCBQWMxDpxo

Entry address:
0x234A

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, E8, F8, FD, FF, FF, FF, 15, 30, 77, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 2C, 77, 40, 00, 6A, 08, A3, 98, 3D, 42, 00, E8, DD, F9, FF, FF, 53, 68, 60, 01, 00, 00, A3, A0, 3C, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 0B, 74, 40, 00, FF, 15, 50, 71, 40, 00, 68, 00, 74, 40, 00, 68, A0, 34, 42, 00, E8, 5A, F3, FF, FF, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file installer_whatsapp_for_pc_2_11_506_french.exe has been seen being distributed by the following URL.

http://dv.butotiresa.com/installers/axtan_installers/get.php?ne=1&ik=r3q0sHE3nNzmC9DLjQFH A2TXQWWejQOkcImbH1B5to=&ut=70954976895199411aea90057e3e389f&aa=ax/1/eazelfr//&ua=msie&u=qWXAaLstpydjeWJlD0T4qWDpqO5K6AZJn2tT00F2tHMRqh58pBgAB7DNz6xH4AzJ3csZ joGNiSOxDKQpp4fTg9Rbod9esvQ a8zrkFFcoin0WP32 IGM3yyWeNVDc1t 7JYUySdiG4q2N8iP2A/K35Pszy1ZW2EcMTTSp6N7/jfbL1Nfqqmox56j6eFmr9ayrlSPfwdPAE16bvFZNUV01zKNLPS7n9 QjHK3ObiDyKsAGsRMnUfhaAv2KHErJf5BtJva8Q4sWU0ehvNafGSUTi9gAtvLXZeRrYqeCA120eHgtjhCBRR6XCNd Ej7HLqnH4in0CyBG IC/aWg7GsJSkEsNyJx9uxKaW8D7S16VvMkPNtbGzvseeh8tMuXP9Y/ZsWe GE30bHUtJ2LMjB3Yase3veqQjWHy6xkq/ 8Hw=&p=RUFaRUxGUg==&x=R9ZctQHiGMl3Cpa0Fncem/7onx KO4b5sIA5E1S2vviZPcoVUJEcc90ZX6yoPZeKcsjH6oO6aRmMOxVkMopuLNhDTMM/rQRQon25/JFpZdAUa33llztJP2TNzRuN U027/BXvYhZgvASFw0JIR9f0G4ah0w00wckLBW3cfezndmUWm6nAN480EZIIcn00EBETRQoouqHSHMtFUPEebE/COFkolnRob44xX0Pl7lJ22DA9wZ7wBLFawRbBk qCRNcd9Qixsj8ZdAcB0N4yo5b5h/.../l

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