{0782648b-1717-4fef-ac58-8cb3ce03adb3}t64.sys

ConstaSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {0782648b-1717-4fef-ac58-8cb3ce03adb3}t64.sys by ConstaSurf has been detected as adware by 4 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{0782648b-1717-4fef-ac58-8cb3ce03adb3}t64”.
Publisher:
StdLib  (signed by ConstaSurf)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
bba9f295713de9885ab76bcf64002fba

SHA-1:
f2fa31d81f79795849f62137360829e958b5f657

SHA-256:
229fae8ddbd734c7573dd617bf3f023bfb9c3e511cb2024f09dad26bd350e445

Scanner detections:
4 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
12/4/2016 7:26:02 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

AVG
Consurf
2015.0.3447

Reason Heuristics
PUP.ConstaSurf.m
14.6.10.13

VIPRE Antivirus
Adware.Agent
29366

File size:
58.7 KB (60,096 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{0782648b-1717-4fef-ac58-8cb3ce03adb3}t64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/18/2014 7:00:00 PM

Valid to:
3/19/2015 6:59:59 PM

Subject:
CN=ConstaSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ConstaSurf, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
46A82C62F93896A2C29C94EC6C4D8A3D

File PE Metadata
Compilation timestamp:
1/30/2014 6:46:41 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
1536:qA0Ep72J9xc1JUzUPU/qnIy4fNwQKZzrtW+DGvvf:j0G72J8YvqIy4fNwQKNrtNDG/

Entry address:
0x10064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, 8E, B3, FF, FF, CC, CC, D0, 00, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 40, 05, 01, 00, 10, C0, 00, 00, C0, 00, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 62, 05, 01, 00, 00, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 4E, 05, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3C, 02, 01, 00, 00, 00, 00, 00, 50, 02, 01, 00, 00, 00, 00, 00, 6E, 02, 01, 00...
 
[+]

Entropy:
6.4026

Code size:
45 KB (46,080 bytes)

Driver
Display name:
{0782648b-1717-4fef-ac58-8cb3ce03adb3}t64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI