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.ia1.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:
ebec28f00a8ec7bd2d79df3d55621111

SHA-1:
1081e388034a324a1f56db5e31bfb7943c97bac1

SHA-256:
f3e33c8022e1ae26947659e736652dbbbdf246c484cba111d84684e77f270916

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:
2/1/2017 12:00:57 AM UTC  (eight months ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
17.1.31.19

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...
 
[+]

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 oss-ad-iad.securestudies.com  (165.193.78.187:80)

TCP (HTTP):
Connects to coccoc.com  (123.30.175.29:80)

TCP (HTTP):
Connects to server-54-230-5-245.dfw3.r.cloudfront.net  (54.230.5.245:80)

TCP (HTTP):
Connects to a23-201-102-43.deploy.static.akamaitechnologies.com  (23.201.102.43:80)

TCP (HTTP SSL):
Connects to ec2-52-44-167-208.compute-1.amazonaws.com  (52.44.167.208:443)

TCP (HTTP):
Connects to wwwc.ri8.securestudies.com  (4.16.75.40:80)

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

TCP (HTTP):
Connects to wwwc.ri5.securestudies.com  (4.16.74.200:80)

TCP (HTTP):
Connects to static.vnpt.vn  (123.30.245.116:80)

TCP (HTTP):
Connects to wwwc.ia8.securestudies.com  (205.218.48.168:80)

TCP (HTTP):
Connects to ec2-52-5-19-74.compute-1.amazonaws.com  (52.5.19.74:80)

TCP (HTTP):
Connects to ec2-23-21-178-27.compute-1.amazonaws.com  (23.21.178.27:80)

TCP (HTTP):

TCP (HTTP SSL):
Connects to wwwc.ia1.securestudies.com  (165.193.73.40:443)

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

TCP (HTTP):
Connects to wwwc.ia9.securestudies.com  (205.218.48.200:80)

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

TCP (HTTP):
Connects to wwwc.ia2.securestudies.com  (66.119.34.42:80)

TCP (HTTP):
Connects to a104-98-57-132.deploy.static.akamaitechnologies.com  (104.98.57.132:80)

TCP (HTTP):
Connects to a104-116-243-11.deploy.static.akamaitechnologies.com  (104.116.243.11:80)

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