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wajam_download.exe

Wajam

The file is part of Wajam, a web browser extension that injects social search integration into various search portals such as Google. The application wajam_download.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from chair.pspvideodownload.com and multiple other hosts.
Product:
Wajam

Version:
2.3

MD5:
f0f3706910d84499e7845934117022ba

SHA-1:
d1937aeb8adbc5c7eb69c1aefeea4dec6a1a90b5

SHA-256:
05d8389c1942117c9d0884f3531d529dd0f2b518362d4a0fceab3b7ee8d1be21

Scanner detections:
7 / 68

Status:
Potentially unwanted

Analysis date:
12/24/2024 3:31:48 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Searcher.2542
9.0.1.0240

Emsisoft Anti-Malware
Trojan-Ransom.Win32.LockScreen
8.13.12.29.04

ESET NOD32
Win32/Wajam
7.9190

Malwarebytes
PUP.Optional.Wajam
v2013.08.28.01

Reason Heuristics
Unnamed.Threat.11
14.3.1.0

VIPRE Antivirus
Wajam
24866

XVirus List
Win.Detected
2.3.31

File size:
54.1 KB (55,363 bytes)

Copyright:
© Wajam. All right reserved.

Trademarks:
Wajam – Great minds search alike.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

File PE Metadata
Compilation timestamp:
12/5/2009 2:53:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:s8q3+uta99Hj25XvwLXJLizAJ+LguzbXpll:DstajHKBvYXJLYW+LguzrB

Entry address:
0x36A0

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 88, A7, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, B8, 63, 42, 00, E8, EE, 2E, 00, 00, A3, 04, 63, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, B0, 0C, 42, 00, FF, 15, 58, 81, 40, 00, 68, 10, A8, 40, 00, 68, 00, 5B, 42, 00, E8, F4, 29, 00, 00, FF, 15, B0, 80, 40, 00, BF, 00, C0, 42, 00, 50, 57, E8, E2, 29, 00, 00...
 
[+]

Entropy:
7.0324

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file wajam_download.exe has been seen being distributed by the following 6 URLs.

http://chair.pspvideodownload.com/.../wajam_download.exe

http://vzbucket.appscion.com/Wajam/info/680x384/.../wajam_download.exe

http://cdn77.airdwnlds.com/downloads/offers/.../wajam_downloadB.exe

http://www.wajam-download.com/.../wajam_download.exe

http://cdn.airdlr2.com/downloads/offers/.../wajam_downloadB.exe

http://cdn.ppdownload.com/Installer/.../wajam_download.exe

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to ec2-54-208-23-129.compute-1.amazonaws.com  (54.208.23.129:80)

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