rlvknlg.exe

Relevant-Knowledge

TMRG Inc.

The component is part of the TMRG platform which will track various behaviors of web browsing habits including tracking sites and domains visited as well as ads clicked. The application rlvknlg.exe by TMRG has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address wwwc.ri7.securestudies.com on port 80 using the HTTP protocol.
Publisher:
TMRG, Inc.  (signed by TMRG Inc.)

Product:
Relevant-Knowledge

Version:
1.3.337.392 (Build 337.392)

MD5:
cbd270d58d98782e824cdb0e7e71e1ad

SHA-1:
41efd3e850871cb7af9964df4d614bf3c1c78d83

SHA-256:
6dd23ecf00f86c2abac40295d5ed28c61dd6e50b8ac0626e8e91e558360aaca9

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.

Analysis date:
1/31/2017 11:05:09 PM UTC  (nine months ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
17.1.31.18

File size:
3.6 MB (3,740,576 bytes)

Product version:
1.3.337.392 (Build 337.392)

Copyright:
Copyright © 2001-2004

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\rlvknlg.exe

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
1/18/2016 7:00:00 AM

Valid to:
2/17/2018 6:59:59 AM

Subject:
CN=TMRG Inc., O=TMRG Inc., L=Reston, S=Virginia, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7E36C4BE2CEB69DF7BCEDB3B868E9EF9

File PE Metadata
Compilation timestamp:
12/29/2016 3:24:02 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x245F0C

Entry point:
E8, DC, 53, 01, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, C9, C2, 08, 00, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 8B, FF, 55, 8B, EC, 51, 51, 53, 56, 57, 64, 8B, 35, 00, 00, 00, 00, 89, 75, FC, C7, 45, F8, 88, 5F, 64, 00, 6A, 00, FF, 75, 0C, FF, 75, F8, FF, 75, 08, E8, 9C, 0D, 04, 00, 8B, 45, 0C, 8B...
 
[+]

Entropy:
6.6133

Code size:
2.7 MB (2,820,096 bytes)

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

TCP (HTTP):
Connects to wwwc.ria.securestudies.com  (184.80.40.40:80)

TCP (HTTP):

TCP (HTTP):
Connects to wwwc.ia7.securestudies.com  (205.217.176.8:80)

TCP (HTTP):
Connects to oss-ad-iad.securestudies.com  (165.193.78.187:80)

TCP (HTTP):
Connects to ec2-52-91-63-158.compute-1.amazonaws.com  (52.91.63.158:80)

TCP (HTTP):
Connects to wwwc.ri2.securestudies.com  (4.16.74.104:80)

TCP (HTTP):
Connects to wwwc.ri7.securestudies.com  (4.16.75.8:80)

TCP (HTTP):
Connects to wwwc.ri1.securestudies.com  (4.16.74.72:80)

TCP (HTTP):
Connects to wwwc.ia4.securestudies.com  (66.119.33.170:80)

TCP (HTTP):
Connects to wwwc.ri6.securestudies.com  (4.16.74.232:80)

TCP (HTTP):
Connects to wwwc.ri3.securestudies.com  (4.16.74.136:80)

TCP (HTTP SSL):
Connects to wwwc.ia6.securestudies.com  (205.217.167.8:443)

TCP (HTTP):
Connects to wwwc.ia3.securestudies.com  (66.119.33.138:80)

TCP (HTTP):
Connects to static.vnpt.vn  (113.171.230.110:80)

TCP (HTTP):
Connects to hawk-iad.securestudies.com  (165.193.78.186:8080)

TCP (HTTP SSL):
Connects to ec2-52-206-203-23.compute-1.amazonaws.com  (52.206.203.23:443)

TCP (HTTP):
Connects to ec2-34-196-181-227.compute-1.amazonaws.com  (34.196.181.227:80)

TCP (HTTP):
Connects to coccoc.com  (123.30.175.52:80)

TCP (HTTP SSL):
Connects to a-0001.a-msedge.net  (204.79.197.200:443)

TCP (HTTP SSL):
Connects to wwwc.ri8.securestudies.com  (4.16.75.40:443)

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