taskinst43.exe

Search Safer Inc.

The application taskinst43.exe by Search Safer has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from d2kfsynn8a76li.cloudfront.net.
Publisher:
Search Safer Inc.  (signed and verified)

MD5:
c715192afd39cff4fd8e137dc0f6daac

SHA-1:
41621d17f85d82edf8c48648d8ec14334a5011ce

SHA-256:
3b06c1211f3243ef792628e207cdca9a2ad689ae588cefd423989d9fbc3199f8

Scanner detections:
7 / 68

Status:
Adware

Analysis date:
12/26/2024 12:12:11 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.SeSafer
2015.0.3515

Dr.Web
Adware.Downware.1899
9.0.1.094

McAfee
Artemis!C715192AFD39
5600.7171

NANO AntiVirus
Trojan.Win32.Generic.ctuoat
0.28.0.58720

Norman
Malware
11.20140404

Reason Heuristics
PUP.SearchSafer.K
14.8.8.0

Trend Micro House Call
TROJ_GEN.F47V0325
7.2.94

File size:
1.1 MB (1,136,696 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\taskinst43.exe

Digital Signature
Authority:
DigiCert Inc

Valid from:
3/12/2014 5:00:00 PM

Valid to:
2/10/2016 4:00:00 AM

Subject:
CN=Search Safer Inc., O=Search Safer Inc., L=San Francisco, S=California, C=US, PostalCode=94107, STREET=665 3rd st, STREET=suite 150, SERIALNUMBER=5189473, OID.1.3.6.1.4.1.311.60.2.1.2=Delaware, OID.1.3.6.1.4.1.311.60.2.1.3=US, OID.2.5.4.15=Private Organization

Issuer:
CN=DigiCert EV Code Signing CA (SHA2), OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0CABF6C1133DB05A8B40B85F31CD94A9

File PE Metadata
Compilation timestamp:
12/5/2009 2:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:YhKHkCmCy3VQs9MtLjTgfa3kon9FaOdEz1:PPs9ocS3qOC

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
6.7334

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file taskinst43.exe has been seen being distributed by the following URL.

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